Biology Past Papers PDF - Previous Year Questions
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This document contains a collection of past biology questions from various RRB exams, along with their answers. The questions cover a range of biology topics. This PDF-based document is ideal for biology students preparing for competitive examinations.
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arpublication.in BIOLOGY 1. **Complex carbohydrates that make up cell wall in plants are called :** (a) Maltose (b) Cellulose (c) Sucrose (d) Lactose Answer - (b) RRB JE 02.06.2019 (Shift-III) (Cellulose) _____________________________________...
arpublication.in BIOLOGY 1. **Complex carbohydrates that make up cell wall in plants are called :** (a) Maltose (b) Cellulose (c) Sucrose (d) Lactose Answer - (b) RRB JE 02.06.2019 (Shift-III) (Cellulose) __________________________________________________________ 2. **Chlorophyll contains which of the following elements?** (a) Aluminium (b) Calcium (c) Magnesium (d) Iron Answer - (c) RRB NTPC 28.01.2021 (Shift-II) Stage Ist (Magnesium) __________________________________________________________ 3. **Who coined the term 'protoplasm'?** (a) G.J. Mendel (b) Johann Evangelist Purkinje (c) Charles Darwin (d) Robert Hooke Answer - (b) RRB NTPC 03.03.2021 (Shift-I) Stage Ist AR PUBLICATION 1 AR PUBLICATION Means Previous Years Questions arpublication.in (Purkinje) __________________________________________________________ 4. **The cultivation of high value crops such as vegetables, fruits and flowers is called_____.** (a) Sericulture (b) Pisciculture (c) Apiculture (d) Horticulture Answer - (d) RRB NTPC 09.02.2021 (Shift-II) Stage Ist (Horticulture) __________________________________________________________ 5. **The study of cells is called ________.** (a) Serology (b) Cytoplasm (c) Cytology (d) Etiology Answer - (c) RRB NTPC 08.02.2021 (Shift-II) Stage Ist (Cytology) __________________________________________________________ 6. **Viticulture is :** (a) Vegetable cultivation (b) Mango cultivation (c) Grape cultivation (d) Flower cultivation Answer - (c) RRB NTPC 11.01.2021 (Shift-I) AR PUBLICATION 2 AR PUBLICATION Means Previous Years Questions arpublication.in (Grape cultivation) __________________________________________________________ 7. **The science that deals with the relationship of various organisms with their environment is** **known as–** (a) Geology (b) Ecology (c) Anthropology (d) Cytology Answer - (b) RRB NTPC (Stage-II) 15/06/2022 (Shift-II) (Ecology) __________________________________________________________ 8. **The study of hematology is related to..........** (a) Plant reproductive system (b) Blood (c) Food habits of animals (d) Bones Answer - (b) RRB NTPC 28.12.2020 (Shift-I) Stage Ist (Blood) __________________________________________________________ 9. **What is Morphology?** (a) Study of insects (b) Study of human development (c) Study of the shape, structure and specific structural properties of the organism (d) Study of interdependence of organism and environment Answer - (c) AR PUBLICATION 3 AR PUBLICATION Means Previous Years Questions arpublication.in RRB SSE (21.12.2014, Set-08, Green paper) (Shape, structure and specific structural properties) __________________________________________________________ 10. **Which of the following study related to human?** (a) Archaeology (b) Archeology (c) Anthropology (d) Andrology Answer - (c) RRB NTPC 10.04.2016 (Shift-III) Stage Ist (Anthropology) __________________________________________________________ 11. **The study of fertilization, development, division and variation is known as:** (a) Embryology (b) Physiology (c) Genetics (d) Evolution Answer - (a) RRB NTPC Stage I 30.04.2016 (Shift-I) (Embryology) __________________________________________________________ 12. **Which of the following branches of zoology is closely related to the study of sociology of human race?** (a) Embryology (b) Zoogeography (c) Physiology (d) Anthropology Answer - (d) AR PUBLICATION 4 AR PUBLICATION Means Previous Years Questions arpublication.in RRB JE 29.05.2019 (Shift-I) (Anthropology) __________________________________________________________ 13. **The study of diseases in plants and the way in which plants resist or cope with infection is called:** (a) Pathology (b) Physiology (c) Phytopathology (d) Photomorphogenesis Answer - (c) RRB NTPC Stage I 29.04.2016 (Shift-III) (Phytopathology) __________________________________________________________ 14. **Under which branch of soil science is the study of the effect of soil on living things?** (a) Andrology (b) Edaphology (c) Agrobiology (d) Desmology Answer - (b) RRB NTPC Stage I 28.04.2016 (Shift-III) (Edaphology) __________________________________________________________ 15. **Which of the following is the branch of physiology and medicine that deals with specific diseases and conditions of men?** (a) Andrology (b) Astacology (c) Bioecology (d) Desmology AR PUBLICATION 5 AR PUBLICATION Means Previous Years Questions arpublication.in Answer - (a) RRB NTPC Stage I 28.04.2016 (Shift-II) (Andrology) __________________________________________________________ 16. **Which of the following disciplines of medical science is related to treatment and study of liver?** (a) Helcology (b) Hepatology (c) Heterology (d) Geriatrics Answer- (b) RRB NTPC Stage I 27.04.2016 (Shift-III) (Hepatology) __________________________________________________________ 17. **What is the branch of biology related to the classification of organisms?** (a) Taxonomy (b) Nothology (c) Anatomy (d) Limnology Answer - (a) RRB NTPC Stage I 28.04.2016 (Shift-I) (Taxonomy) __________________________________________________________ 18. **Taxonomy is basically related to..........** (a) Biodiversity (b) Tax structure (c) A branch of astronomy AR PUBLICATION 6 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Study of human behavior Answer - (a) RRB NTPC 19.04.2016 (Shift-I) Stage I (Biodiversity) __________________________________________________________ 19. **Zoology is the study of :** (a) Energy (b) Fruit (c) Viruses (d) Animals Answer - (d) RRB NTPC 10.04.2016 (Shift-III) Stage I (Animals) __________________________________________________________ 20. **What is a branch of science that deals with life or the possibilities of life beyond the earth?** (a) Entomology (b) Exobiology (c) Mycology (d) Paleontology Answer - (b) RRB NTPC 07.04.2016 (Shift-III) Stage I (Exobiology) __________________________________________________________ 21. **...... is a study of the behavior of elements and human-like species such as monkeys, apes, forest animals, etc.** (a) Anthropology (b) Ethnobotany (c) Primatology AR PUBLICATION 7 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Apiology Answer - (c) RRB NTPC 07.04.2016 (Shift-I) Stage I (Primatology) __________________________________________________________ 22. **Which of the following is a study of spiders?** (a) Arachnology (b) Anthropology (c) Apiology (d) Cynology Answer - (a) RRB NTPC 09.04.2016 (Shift-III) Stage I (Arachnology) __________________________________________________________ 23. **Saurology is the study of:** (a) Mosquito (b) Lizard (c) Cockroach (d) Snake Answer - (b) RRB NTPC 10.04.2016 (Shift-III) Stage I (Lizard) __________________________________________________________ 24. **...... is a written document that draws from research depicting an anthropological culture.** (a) Ethnography (b) Cultural Relativism (c) Ethnosetrism AR PUBLICATION 8 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Ethnobotany Answer - (a) RRB NTPC 11.04.2016 (Shift-III) Stage I (Ethnography) __________________________________________________________ 25. **What is the study of birds called?** (a) Entomology (b) Ornithology (c) Birdology (d) Herpetology Answer - (b) RRB NTPC 28.03.2016 (Shift-II) Stage I (Ornithology) __________________________________________________________ 26. **The scientific study of the preserved remains or signs of animals, plants and other animals of ancient times is called :** (a) Anthropology (b) Archaeology (c) Paleontology (d) Pharmacology Answer - (c) RRB NTPC 28.03.2016 (Shift-I) Stage I (Paleontology) __________________________________________________________ 27. **What is studied in botany?** (a) Human anatomy (b) Plants AR PUBLICATION 9 AR PUBLICATION Means Previous Years Questions arpublication.in (c) Pure mathematics (d) Human psychology Answer - (b) RRB NTPC 30.03.2016 (Shift-II) Stage I (Plants) __________________________________________________________ 28. **Oncology is associated with the treatment of which disease?** (a) Osteoporosis (b) Diabetes (c) Cancer (d) Renal failure Answer - (c) RRB NTPC (Stage -II) 17/06/2022 (Shift-III) (Cancer) __________________________________________________________ 29. **What is mycology?** (a) Study of bacteria (b) Study of mushroom (c) Study of virus (d) Study of parasites Answer - (b) RRB NTPC 31.03.2016 (Shift-III) Stage I (Mushroom) __________________________________________________________ 30. **Mycology is related to the study of.............** (a) Human cells (b) Fungi AR PUBLICATION 10 AR PUBLICATION Means Previous Years Questions arpublication.in (c) Virus (d) Bacteria Answer - (b) RRB JE 28.06.2019 (Shift-IV) (Fungi) __________________________________________________________ 31. **What is Oneirology studied?** (a) God (b) Dreams (c) Sleep (d) Colour Answer - (b) RRB NTPC 03.04.2016 (Shift-II) Stage I (Dreams) __________________________________________________________ 32. **Sericulture related to:** (a) Bee keeping (b) Growth of plants (c) Silkworms cultivation (d) Fisheries Answer - (c) RRB NTPC 05.04.2016 (Shift-II) Stage I (Silkworms cultivation) __________________________________________________________ 33. **Toxicology is study of:** (a) Human behavior (b) Poison AR PUBLICATION 11 AR PUBLICATION Means Previous Years Questions arpublication.in (c) Soil erosion (d) Rock Answer - (b) RRB NTPC 05.04.2016 (Shift-I) Stage I (Poison) __________________________________________________________ 34. **What is the study of fossils called?** (a) Ethnology (b) Paleontology (c) Classification (d) Ethnobotany Answer - (b) RRB NTPC Stage I 30.04.2016 (Shift-I) (Paleontology) __________________________________________________________ 35. **Palaeontology deals with the study of..........** (a) Bones (b) Fossils (c) Rigid cells (d) Wings Answer - (b) RRB JE 31.05.2019 (Shift-I) (Fossils) __________________________________________________________ 36. **What is the purpose of bio-systematics?** (a) Classification of organisms based on broad morphological elements. (b) Identification and arrangement of organisms based on cytological characteristics. AR PUBLICATION 12 AR PUBLICATION Means Previous Years Questions arpublication.in (c) Limiting different classes of organisms and establishing their relationships. (d) Classification of organisms based on their evolutionary history and the establishment of their phylogeny on the totality of various parameters from all fields of study. Answer - (d) RRB Group-D 15-11-2018 (Shift-III) (Classification based on evolutionary history and phylogeny) __________________________________________________________ 37. **What is study of different types of tissues called?** (a) Cell Biology (b) Cell Physiology (c) Cytology (d) Histology Answer - (d) RRB JE 23.05.2019 (Shift-III) (Histology) __________________________________________________________ 38. **What is Epidemiology?** (a) Study of the occurrence and spread of the disease in a large population. (b) Study of malnutrition in large population. (c) Study of health care provisions for large population. (d) Study of diagnosis and symptoms of cholera disease. Answer - (a) RRB NTPC 05.04.2016 (Shift-II) Stage I (Study of occurrence and spread of disease) __________________________________________________________ 39. **Which cell organelle is known as the ‘suicide bags of a cell’?** (a) Lysosome (b) Nucleus AR PUBLICATION 13 AR PUBLICATION Means Previous Years Questions arpublication.in (c) Mitochondria (d) Centrosome Answer - (a) RRB Group-D– 13/09/2022 (Shift-I) (Lysosome) __________________________________________________________ 40. **The cell organelle of the eukaryotic cells are also called suicidal bags?** (a) Mitochondria (b) Golgi body (c) Chloroplast (d) Lysosomes Answer - (d) RRB NTPC (Stage-II) –13/06/2022 (Shift-II) (Lysosome) __________________________________________________________ 41. **Two types of cell divisions A and B, are shown in the figure below. Which option provides the correct answer for:** **i. Types of cell division** **ii. When and where does division B take place?** (a) i. A-Meiosis, B-Mitosis ii. Meiosis takes place in reproductive cells for the formation of gametes (b) i. A- Mitosis, B- Meiosis ii. Meiosis takes place in reproductive cells for the formation of gametes (c) i. A- Mitosis, B- Meiosis ii. Meiosis takes place in body cells for growth (d) i. A and B- Meiosis ii. Meiosis takes place in body cells for growth AR PUBLICATION 14 AR PUBLICATION Means Previous Years Questions arpublication.in Answer - (b) RRB Group-D 22-08-2022 (Shift-I) (A-Mitosis, B-Meiosis in reproductive cells) __________________________________________________________ 42. **What is the similarity between fermentation in yeast and anaerobic respiration taking place in muscle cells of humans?** (a) Lactic acid is formed (b) Take place in Cytoplasm (c) Ethanol is formed (d) Take place in mitochondria Answer - (b) RRB Group-D– 25/08/2022 (Shift-II) (Take place in Cytoplasm) __________________________________________________________ 43. **In the _____ of the cell, pyruvate is formed from glucose.** (a) Cytoplasm (b) Ribosome (c) Mitochondria (d) Nucleus Answer - (a) RRB Group-D– 05/09/2022 (Shift-III) (Cytoplasm) __________________________________________________________ 44. **Selectively permeable membranes are those that allow penetration of...............** (a) neither solvent nor solute molecules (b) only solvent molecules but not solute molecules (c) both solvent and solute molecules (d) only solute molecules but not solvent molecules AR PUBLICATION 15 AR PUBLICATION Means Previous Years Questions arpublication.in Answer - (b) RRB Group-D 23-08-2022 (Shift-I) (Only solvent molecules) __________________________________________________________ 45. **Which cell organelle detoxifies toxins and drugs?** (a) Ribosomes (b) Mitochondria (c) Golgi bodies (d) Endoplasmic reticulum Answer - (d) RRB Group-D 25-08-2022 (Shift-I) (Endoplasmic reticulum) __________________________________________________________ 46. **Why are mitochondria considered as a 'weird' organelle?** (a) Because they can digest microorganisms (b) Because they contain ribosomes and DNA (c) Because they are the power-house of the cell (d) Because they are the store of cellular contents Answer - (b) RRB Group-D 24-08-2022 (Shift-I) (Contain ribosomes and DNA) __________________________________________________________ 47. **Apart from nucleus of the cell, which two cell organelles have their own DNA and Ribosomes?** (a) Plastids and Mitochondria (b) Mitochondria and Lysosomes (c) Plastids and Golgi bodies AR PUBLICATION 16 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Mitochondria and Golgi bodies Answer - (a) RRB Group-D– 09/09/2022 (Shift-III) (Plastids and Mitochondria) __________________________________________________________ 48. **Which molecule is known as the 'Energy Currency' of the cell** (a) Glucose (b) ADP (c) ATP (d) Pyruvic acid Answer - (c) RRB NTPC 23.01.2021 (Shift-II) Stage Ist (ATP) __________________________________________________________ 49. **Which of the following cellular components are known as the protein factories of a cell?** (a) Ribosomes (b) Chloroplasts (c) Mitochondria (d) Golgi bodies Answer - (a) RRB Group-D– 05/09/2022 (Shift-III) (Ribosomes) __________________________________________________________ 50. **Some feature of a prokaryotic cell are mentioned below. Select the INCORRECT option.** (a) Membrane-bound cell organelles present (b) Nuclear region known as nucleoid (c) Single chromosome AR PUBLICATION 17 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Very small in size Answer - (a) RRB Group-D– 05/09/2022 (Shift-I) (Membrane-bound cell organelles) __________________________________________________________ 51. **Where are waste products stored within a plant cell?** (a) Golgi bodies (b) Lysosomes (c) Vacuoles (d) Mitochondria Answer - (c) RRB Group-D– 15/09/2022 (Shift-I) (Vacuoles) __________________________________________________________ 52. **Chlorophyll pigment is present in which of the following components of a cell?** (a) Mitochondria (b) Ribosomes (c) Chloroplasts (d) Lysosomes Answer - (c) RRB Group-D– 15/09/2022 (Shift-I) (Chloroplasts) __________________________________________________________ 53. **What is the subunits composition of prokaryotic ribosomes?** (a) 50S and 30S (b) 60S and 40S (c) 60S and 30S AR PUBLICATION 18 AR PUBLICATION Means Previous Years Questions arpublication.in (d) 50S and 40S Answer - (a) RRB Group-D– 01/09/2022 (Shift-II) (50S and 30S) __________________________________________________________ 54. **Which of the following cellular components is absent in most of the prokaryotes?** (a) Ribosome (b) Cell wall (c) Cytoplasm (d) Nuclear membrane Answer - (d) RRB Group-D– 02/09/2022 (Shift-II) (Nuclear membrane) __________________________________________________________ 55. **Which of the following is called the 'powerhouse of the cell'?** (a) Mitochondria (b) Red blood cells (c) White blood cells (d) Plasma membrane Answer - (a) RRB NTPC (Stage -II) 17/06/2022 (Shift-III) (Mitochondria) __________________________________________________________ 56. **Which of the following is a membrane-bound sac, filled with digestive enzymes?** (a) Golgi apparatus (b) Mitochondria (c) Lysosomes AR PUBLICATION 19 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Vacuoles Answer - (c) RRB NTPC 15.03.2021 (Shift-I) Stage Ist (Lysosomes) __________________________________________________________ 57. **Ribosomes make _______** (a) Fats (b) Lipids (c) Proteins (d) Starch Answer - (c) RRB NTPC 09.01.2021 (Shift-I) Stage Ist (Proteins) __________________________________________________________ 58. **Which of the following organelles helps to keep the cell clean by digesting any foreign material as well as worn out cell organelles?** (a) Golgi apparatus (b) Lysosome (c) Mitochondria (d) Endoplasmic reticulum Answer - (b) RRB NTPC 26.07.2021 (Shift-I) Stage Ist (Lysosome) __________________________________________________________ 59. **What do we call the process of contraction of the cell away from the cell wall due to water loss?** (a) DE plasmolysis (b) Cytolysis AR PUBLICATION 20 AR PUBLICATION Means Previous Years Questions arpublication.in (c) Photosynthesis (d) Plasmolysis Answer - (d) RRB NTPC 14.03.2021 (Shift-I) Stage Ist (Plasmolysis is the process in which water moves out of the cell, and the cell membrane of a plant cell shrinks away from its cell wall due to water loss.) __________________________________________________________ 60. **A single - celled fertilised egg is called a/an:** (a) Foetus (b) Embryo (c) Blastocyte (d) Zygote Answer - (d) RRB NTPC 12.02.2021 (Shift-I) Stage Ist (A single-celled fertilized egg is called a zygote.) __________________________________________________________ 61. **Cytoplasm is a jelly-like fluid that is present between:** (a) Nucleus and organelles (b) Fats and tissues (c) Nerves and cells (d) Nucleus and cell membrane Answer - (d) RRB NTPC 29.01.2021 (Shift-II) Stage Ist (Cytoplasm is present between the cell membrane and the nucleus.) __________________________________________________________ 62. **_____ are known as the powerhouse of the cell.** (a) Cytoplasm AR PUBLICATION 21 AR PUBLICATION Means Previous Years Questions arpublication.in (b) Mitochondria (c) Nucleus (d) Endoplasmic Reticulum Answer - (b) RRB NTPC 23.01.2021 (Shift-II) Stage Ist (Mitochondria is known as the power house of the cell.) __________________________________________________________ 63. **Which is the outermost covering of the cell that separates the contents of the cell from its external environment?** (a) Plasma membrane (b) Organelles (c) Nerve cell (d) Smooth muscle cell Answer - (a) RRB NTPC 03.02.2021 (Shift-I) Stage Ist (Plasma membrane is the outermost covering of the cell.) __________________________________________________________ 64. **Alignment of chromosomes in the center of the cell at the equatorial plate constitutes which stage of mitosis?** (a) Telophase (b) Prophase (c) Metaphase (d) Anaphase Answer - (c) RRB NTPC 19.01.2021 (Shift-I) Stage Ist (Alignment of chromosomes at the equatorial plate is metaphase stage of mitosis.) __________________________________________________________ 65. **Which of the following cell organelles are responsible for transfer packaging, and modification of protein and lipids in vesicles?** AR PUBLICATION 22 AR PUBLICATION Means Previous Years Questions arpublication.in (a) Rough endoplasmic reticulum (b) Smooth endoplasmic reticulum (c) Ribosome (d) Golgi apparatus Answer - (d) RRB NTPC 26.07.2021 (Shift-II) Stage Ist (Golgi apparatus is responsible for transfer packaging, and modification of protein and lipids in vesicles.) __________________________________________________________ 66. **Which of the following is a membrane-bound sac, filled with digestive enzymes?** (a) Golgi apparatus (b) Mitochondria (c) Lysosomes (d) Vacuoles Answer - (c) RRB NTPC 15.03.2021 (Shift-I) Stage Ist (Lysosome is a membrane-bound sac filled with digestive enzymes.) __________________________________________________________ 67. **Ribosomes make _______** (a) Fats (b) Lipids (c) Proteins (d) Starch Answer - (c) RRB NTPC 09.01.2021 (Shift-I) Stage Ist (Ribosomes make proteins.) __________________________________________________________ AR PUBLICATION 23 AR PUBLICATION Means Previous Years Questions arpublication.in 68. **Which of the following organelles helps to keep the cell clean by digesting any foreign material as well as worn out cell organelles?** (a) Golgi apparatus (b) Lysosome (c) Mitochondria (d) Endoplasmic reticulum Answer - (b) RRB NTPC 26.07.2021 (Shift-I) Stage Ist (Lysosome helps to keep the cell clean by digesting foreign material and worn out organelles.) __________________________________________________________ 69. **Who coined the term 'protoplasm'?** (a) G.J. Mendel (b) Johann Evangelist Purkinje (c) Charles Darwin (d) Robert Hooke Answer - (b) RRB NTPC 03.03.2021 (Shift-I) Stage Ist (Purkinje coined the term protoplasm.) __________________________________________________________ 70. **When there is a lack of oxygen in our muscle cells, the breakdown of Pyruvate takes place and it is converted into:** (a) Water and energy (b) Lactic acid and energy (c) Ethanol and Carbon dioxide (d) Carbon dioxide and water Answer - (b) RRB NTPC 10.01.2021 (Shift-I) Stage Ist (In lack of oxygen, pyruvate converts to lactic acid and energy in muscle cells.) AR PUBLICATION 24 AR PUBLICATION Means Previous Years Questions arpublication.in __________________________________________________________ 71. **Which of the following organelles is called suicidal bags of the cell?** (a) Lysosomes (b) Chloroplasts (c) Golgi complex (d) Mitochondria Answer - (a) RRB NTPC 05.03.2021 (Shift-II) Stage Ist (Lysosome is known as suicidal bags of the cell.) __________________________________________________________ 72. **Which of the following statements is not true for meiosis?** (a) Meiosis occurs in two stages. (b) As a consequence of meiosis, the number of chromosomes is doubled in resulting cells. (c) During meiosis, the genes of parent cells are mixed in the resulting cells. (d) Meiosis takes place in gonads for production of gametes. Answer - (b) RRB ALP & Tec. (29-08-18 Shift-III) (Meiosis halves the number of chromosomes in resulting cells.) __________________________________________________________ 73. **Which of the following tissues is found below the skin and between the internal organs?** (a) Adipose tissue (b) Muscular tissue (c) Nervous tissue (d) Epithelial tissue Answer - (a) RRB Group-D– 15/09/2022 (Shift-I) (Adipose tissue is found below skin and between internal organs.) AR PUBLICATION 25 AR PUBLICATION Means Previous Years Questions arpublication.in __________________________________________________________ 74. **Which is the largest cell organelle present in a cell?** (a) Endoplasmic reticulum (b) Nucleus (c) Golgi bodies (d) Mitochondria Answer - (b) RRB JE 23.05.2019 (Shift-III) (Nucleus is the largest cell organelle.) __________________________________________________________ 75. **Which of the following organelles is called 'protein factories of the cell'?** (a) Chloroplast (b) Lysosomes (c) Mitochondria (d) Ribosomes Answer - (d) RRB ALP & Tec. (30-08-18 Shift-II) (Ribosomes are called the protein factories of the cell.) __________________________________________________________ 76. **Which of the following cells is found only in animal cells?** (a) Lysosome (b) Golgi bodies (c) Centrosome (d) Ribosome Answer - (a) RRB Group-D 15-11-2018 (Shift-III) (Lysosome is found only in animal cells.) AR PUBLICATION 26 AR PUBLICATION Means Previous Years Questions arpublication.in __________________________________________________________ 77. **What is the basic unit of life?** (a) Cell (b) Organ (c) Tissue (d) Nucleus Answer - (a) RRB NTPC 28.03.2016 (Shift-III) Stage I (Cell is the basic unit of life.) __________________________________________________________ 78. **What type of cell division is used to repair injury in the body?** (a) Mitosis only (b) Meiosis only (c) Both Mitosis and Meosis (d) Neither Mitosis nor Meiosis Answer - (a) RRB NTPC Stage I 26.04.2016 (Shift-II) (Mitosis is used to repair injury in the body.) __________________________________________________________ 79. **Match pairs:** 1. Cell wall (A) Animal cell 2. D.N.A. (B) Plant cell Answer - (a) RRB J.E. (14.12.2014, Green paper) (1 - B, 2 - A) __________________________________________________________ 80. **Which of the following is the largest cell in the body of an animal?** AR PUBLICATION 27 AR PUBLICATION Means Previous Years Questions arpublication.in (a) Osteocytes (b) Neuron (c) Chromatophores (d) Lymph cells Answer - (b) RRB SSE (21.12.2014, Set-08, Green paper) (Neuron is the largest cell in animal body.) __________________________________________________________ 81. **Which of the following molecule is present in a cell abundantly?** (a) Water (b) Carbohydrate (c) Algae (d) Protein Answer - (a) RRB SSE 21.12.2014 (Water is present abundantly in cells.) __________________________________________________________ 82. **Which of the following does not follow cell theory?** (a) Bacteria (b) Fungi (c) Algae (d) Virus Answer - (d) RRB SSE 21.12.2014 (Viruses do not follow cell theory.) __________________________________________________________ 83. **Match the following:** AR PUBLICATION 28 AR PUBLICATION Means Previous Years Questions arpublication.in 1. Lysosome a. Power house 2. DNA b. Chromosome 3. Mitochondria c. Suicide bag Answer - (b) RRB SSE (21.12.2014, Set-08, Green paper) (1 - a, 2 - b, 3 - c) __________________________________________________________ 84. **Which regulates functional activities of the cell?** (a) Cytoplasm (b) Nucleolus (c) Mitochondria (d) Nucleus Answer - (d) RRB J.E. (14.12.2014, Yellow paper) (Nucleus regulates cell activities.) __________________________________________________________ 85. **Name the phase of mitosis during which the chromosomes of the dividing cell lie on equatorial plate?** (a) Anaphase (b) Telophase (c) Metaphase (d) Prophase Answer - (c) RRB ALP & Tec. (14-08-18 Shift-II) (Metaphase is the stage when chromosomes lie on equatorial plate.) __________________________________________________________ 86. **Who discovered a cell?** (a) Theodor Schwann AR PUBLICATION 29 AR PUBLICATION Means Previous Years Questions arpublication.in (b) Robert Hooke (c) Matthias Schleiden (d) Rudolf Virchow Answer - (b) RRB NTPC 30.12.2020 (Shift-II) Stage Ist (Robert Hooke discovered cell in 1665.) __________________________________________________________ 87. **Colourless plastids are called.............** (a) Leucoplast (b) Apicoplastids (c) Chloroplastids (d) Chromoplastids Answer - (a) RRB Group-D 22-08-2022 (Shift-I) (Leucoplast are colourless plastids.) __________________________________________________________ 88. **When you put a plant cell, fungal cell or a bacterial cell in a very dilute external medium, the plant cell or fungal cell will absorb water but will not burst, whereas an animal cell will burst. Which part of the plant cell helps it to withstand the pressure of incoming water?** (a) Cell wall (b) Plasma membrane (c) Cytoplasm (d) Nucleus Answer - (a) RRB Group-D 19-09-2022 (Shift-II) (Cell wall helps plant cell withstand pressure of water.) __________________________________________________________ 89. **Which of the following organelles are present only in plants?** AR PUBLICATION 30 AR PUBLICATION Means Previous Years Questions arpublication.in (a) Vacuoles (b) Plastids (c) Mitochondria (d) Nucleus Answer - (b) RRB Group-D 24-08-2022 (Shift-II) (Plastids are present only in plants.) __________________________________________________________ 90. **Cork is impermeable to water and gases because of ______ found within its cells.** (a) lignin (b) Cutin (c) cellulose (d) suberin Answer - (d) RRB Group-D 24-08-2022 (Shift-III) (Suberin makes cork impermeable to water and gases.) __________________________________________________________ 91. **Which of the following stores starch, proteins and oil granules in a plant cell?** (a) Protoplast (b) Chromoplast (c) Leucoplast (d) Chloroplast Answer - (c) RRB Group-D 25-08-2022 (Shift-I) (Leucoplast stores starch, proteins and oil in plant cells.) __________________________________________________________ 92. **Why do plants have low energy needs?** AR PUBLICATION 31 AR PUBLICATION Means Previous Years Questions arpublication.in (a) Because they produce oxygen (b) Because they only increase in height (c) Because they are self-sufficient in terms of food (d) Because they have a lot of dead cells Answer - (d) RRB Group-D 24-08-2022 (Shift-I) (Plants have high proportion of dead cells so need less energy.) __________________________________________________________ 93. **In which different parts do the plants store their waste products?** (a) Lysosomes, fruits and leucoplasts (b) Leaves, lysosomes and leucoplast (c) Vacuoles, bark and lysosomes (d) Leaves, vacuoles and Old xylem Answer - (d) RRB Group-D 24-08-2022 (Shift-I) (Plants store waste in leaves, vacuoles and old xylem.) __________________________________________________________ 94. **Where can we find such cells with thickened cell walls in a plant?** (a) In phloem (b) In meristem (c) In epidermis (d) In xylem Answer - (a) RRB Group-D 29-09-2022 (Shift-III) (Thick walled cells are found in phloem of plants.) __________________________________________________________ AR PUBLICATION 32 AR PUBLICATION Means Previous Years Questions arpublication.in 95. **What is the main difference observed between a slide of human cheek cells and a slide of onion peel when viewed under a compound microscope?** (a) Presence of plastids in cheek cells (b) Presence of cell wall in onion peel cells (c) Presence of wall in human cheek cells (d) Presence of mitochondria in onion peel cells Answer - (b) RRB Group-D– 02/09/2022 (Shift-I) (Onion peel has cell wall which cheek cells lack.) __________________________________________________________ 96. **Why do plant cells have cell walls?** (a) They do not have cell membrane (b) They are required for photosynthesis (c) They are living beings (d) They protect the plant cells from various environmental factors Answer - (d) RRB Group-D– 20/09/2022 (Shift-II) (Cell wall protects plant cells from environment.) __________________________________________________________ 97. **Plant cell walls are composed of:** (a) Cytosol (b) Cytoplasm (c) Cellulose (d) Glucose Answer - (c) RRB NTPC 24.07.2021 (Shift-II) Stage Ist (Plant cell walls are made of cellulose.) __________________________________________________________ AR PUBLICATION 33 AR PUBLICATION Means Previous Years Questions arpublication.in 98. **The strength of winds is measured with the help of** (a) Tintometer (b) Wind indicator (c) Barometers (d) Beaufort scale Answer - (d) Exam name and date (Beaufort scale is used to measure wind strength.) __________________________________________________________ 99. **Which of the following is called Yellow Pigmen in Plant?** (a) Carotene (b) Achromatic reaper (c) Xanthophyll (d) Creatinine Answer - (c) RPF Constable 16.02.2019 (Shift - III) (Xanthophylls are yellow pigments in plants.) __________________________________________________________ 100. **Which cell organelle utilizes light energy during photosynthesis?** (a) Golgi body (b) Mitochondria (c) Ribosome (d) Chloroplast Answer - (d) RRB NTPC 07.04.2021 (Shift-I) Stage Ist (Chloroplast utilizes light energy in photosynthesis.) __________________________________________________________ AR PUBLICATION 34 AR PUBLICATION Means Previous Years Questions arpublication.in 101. **Which of the following statements is FALSE?** (a) Plant cells have smaller vacuoles than those of animal cells (b) Plant cells are generally larger than animal cells (c) Animal cells do not have plastids (d) Plant cells have cell wall, whereas animal cells do not Answer - (a) RRB NTPC 09.03.2021 (Shift-II) Stage Ist (Plant cells have larger vacuoles than animal cells.) __________________________________________________________ 102. **Which of the following pigments are responsible to determine the colours of fruits and vegetables?** (a) Hemocyanin (b) Merocyanine (c) Indocyanine (d) Anthocyanin Answer - (d) RRB NTPC 27.02.2021 (Shift-I) Stage Ist (Anthocyanins determine colours of fruits and vegetables.) __________________________________________________________ 103. **Blue, violet or red flavonoid pigment found in plants is due to the presence of:** (a) Carotene (b) Anthocyanin (c) Xanthophiles (d) Chlorophyll Answer - (b) RRB NTPC Stage I 29.04.2016 (Shift-II) (Blue, violet or red pigment in plants is due to anthocyanin.) AR PUBLICATION 35 AR PUBLICATION Means Previous Years Questions arpublication.in __________________________________________________________ 104. **Which of the following cell organelle is found in plant cell but not in animal cell?** (a) Chloroplast (b) Endoplasmic reticulum (c) Mitocondria (d) Ribosome Answer - (a) RRB NTPC Stage I 28.04.2016 (Shift-II) (Chloroplast is found in plant but not in animal cells.) __________________________________________________________ 105. **Which of the following components gives green colour to leaves?** (a) Water (b) Nitrogen (c) Chlorophyll (d) Urea Answer - (c) RRB JE 24.05.2019 (Shift-III) (Chlorophyll gives green colour to leaves.) __________________________________________________________ 106. **Name the pigment that gives plants their green colour.** (a) Carotenoid (b) Chlorophyll (c) Thiamin (d) Actin Answer - (b) RRB NTPC 10.02.2021 (Shift-II) Stage Ist (Chlorophyll gives plants their green colour.) AR PUBLICATION 36 AR PUBLICATION Means Previous Years Questions arpublication.in __________________________________________________________ 107. **Complex carbohydrates that make up cell wall in plants are called :** (a) Maltose (b) Cellulose (c) Sucrose (d) Lactose Answer - (b) RRB JE 02.06.2019 (Shift-II) (Cellulose makes plant cell walls.) __________________________________________________________ 108. **Which of the following forms the lining of kidney tubules and ducts of salivary glands?** (a) Squamous epithelium (b) Glandular epithelium (c) Cuboidal epithelium (d) Columnar epithelium Answer - (c) RRB Group-D 19-09-2022 (Shift-I) (Cuboidal epithelium lines kidney tubules and salivary glands.) __________________________________________________________ 109. **Which of the following types of epithelial tissues form a lining of lung alveoli?** (a) Squamous (b) Columnar (c) Cuboidal (d) Ciliated columnar Answer - (a) RRB Group-D– 16/09/2022 (Shift-I) (Squamous epithelium lines lung alveoli.) AR PUBLICATION 37 AR PUBLICATION Means Previous Years Questions arpublication.in __________________________________________________________ 110. **Which of the following animal tissues contain(s) flattened cells?** (a) Plasma cells (b) Squamous epithelium (c) Cuboidal epithelium (d) Mast cells Answer - (b) RRB Group-D– 30/09/2022 (Shift-II) (Squamous epithelium contains flattened cells.) __________________________________________________________ 111. **Which of the following is primarily responsible for the movement of the human body?** (a) Combination of nervous and connective tissues (b) Combination of muscular and connective tissues (c) Combination of nervous and muscular tissues (d) Combination of nervous and epithelial tissues Answer - (c) RRB Group-D– 26/08/2022 (Shift-III) (Movement is by combination of nervous & muscular tissues.) __________________________________________________________ 112. **Bone is an example of which of the following types of tissues?** (a) Epithelial tissue (b) Muscular tissue (c) Connective tissue (d) Nervous tissue Answer - (c) RRB Group-D– 02/09/2022 (Shift-III) (Bone is a connective tissue.) AR PUBLICATION 38 AR PUBLICATION Means Previous Years Questions arpublication.in __________________________________________________________ 113. **In which of the following is cartilage NOT present?** (a) Larynx (b) Nose (c) Ear (d) Kidney Answer - (d) RRB Group-D– 15/09/2022 (Shift-II) (Cartilage is absent in kidney.) __________________________________________________________ 114. **Which of the following tissues helps in tissue repair?** (a) Areolar (b) Tendon (c) Cartilage (d) Ligament Answer - (a) RRB Group-D– 16/09/2022 (Shift-III) (Areolar tissue helps in tissue repair.) __________________________________________________________ 115. **The tissue that stores fat is called:** (a) connective tissue (b) areolar tissue (c) epithelial tissue (d) adipose tissue Answer - (d) RRB Group-D– 18/09/2022 (Shift-III) (Adipose tissue stores fat.) AR PUBLICATION 39 AR PUBLICATION Means Previous Years Questions arpublication.in __________________________________________________________ 116. **Which of the following tissues is found below the skin and between the internal organs?** (a) Adipose tissue (b) Muscular tissue (c) Nervous tissue (d) Epithelial tissue Answer - (a) RRB Group-D– 15/09/2022 (Shift-I) (Adipose tissue lies below skin and between internal organs.) __________________________________________________________ 117. **Which of the following parts of the human body is/are NOT lined with squamous epithelium?** (a) Mouth (b) Skin (c) Esophagus (d) Kidney tubules Answer - (d) RRB Group-D– 01/09/2022 (Shift-III) (Kidney tubules are not lined by squamous epithelium.) __________________________________________________________ 118. **Which fluid carries absorbed fat from intestine and drains excess fluid from extra cellular space back into the blood?** (a) Platelets (b) Capillaries (c) Plasma (d) Lymph and Capillaries Answer - (d) RRB NTPC 17.01.2021 (Shift-II) Stage Ist AR PUBLICATION 40 AR PUBLICATION Means Previous Years Questions arpublication.in (Lymph carries fat from intestine and drains excess fluid.) __________________________________________________________ 119. **__________ tissue is formed beneath the skin and between internal organs.** (a) Nerve (b) Adipose (c) Muscular (d) Epithelial Answer - (b) RRB Group-D 27-09-2018 (Shift-I) (Adipose tissue lies below skin and between organs.) __________________________________________________________ 120. **Which of the following is not a type of animal tissue?** (a) Muscle tissue (b) Connective tissue (c) Epithelial tissue (d) Meristematic tissue Answer - (d) RRB Group-D 03-12-2018 (Shift-III) (Meristematic tissue is a plant tissue.) __________________________________________________________ 121. **Blood is a type of........... tissue.** (a) Muscular (b) Neural (c) Connective (d) Epithelial Answer - (c) RRB NTPC 11.01.2021 (Shift-I) Stage Ist AR PUBLICATION 41 AR PUBLICATION Means Previous Years Questions arpublication.in (Blood is a connective tissue.) __________________________________________________________ 122. **What is tissue?** (a) Cells which are similar in origin, but dissimilar in form and function. (b) Cells that are dissimilar in origin, but similar in appearance and function. (c) Cells which are dissimilar in form and function. (d) Cells which are similar in origin, form and function. Answer - (d) RRB ALP & Tec. (09-08-18 Shift-III) (Tissue are cells similar in origin, form and function.) __________________________________________________________ 123. **A group of cells similar in origin and are specialized to perform a particular function (for example, Muscle cells in our body forms the muscles that brings about body movement) is called :** (a) Muscle (b) Tissue (c) Phloem (d) Fibres (Bast) Answer - (b) RRB Group-D 27-11-2018 (Shift-I) (Group of specialized cells is called tissue.) __________________________________________________________ 124. **Blood and bones are examples of...........** (a) Connective tissue (b) Epithelial tissue (c) Meristematic tissue (d) Nerve tissue Answer - (a) AR PUBLICATION 42 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 03-12-2018 (Shift-II) (Blood and bones are connective tissues.) __________________________________________________________ 125. **Blood is an example of.......... type of tissue.** (a) Epithelium (b) Connective (c) Nerve (d) Muscular Answer - (b) RRB JE 26.05.2019 (Shift-I) (Blood is a connective tissue.) __________________________________________________________ 126. **What is blood?** (a) A muscle tissue (b) A packing tissue (c) A connective tissue (d) A supporting tissue Answer - (c) RRB JE 02.06.2019 (Shift-III) (Blood is a connective tissue.) __________________________________________________________ 127. **The lining of the mouth is made up of..............** (a) Cuboidal epithelium (b) Pseudostratified columnar epithelium (c) Squamous epithelium (d) Columnar epithelium Answer - (c) AR PUBLICATION 43 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 12-12-2018 (Shift-I) (Mouth is lined by squamous epithelium.) __________________________________________________________ 128. **Which of the following organs is the largest?** (a) Stomach (b) Kidney (c) Skin (d) Brain Answer - (c) RRB Group-D 08-10-2018 (Shift-III) (Skin is the largest organ in human body.) __________________________________________________________ 129. **............ tissue is formed beneath the skin and between internal organs.** (a) Nerve (b) Adipose (c) Muscular (d) Epithelial Answer - (b) RRB Group-D 27-09-2018 (Shift-I) (Adipose tissue lies below skin and between organs.) __________________________________________________________ 130. **Identify an example of a connective tissue in humans -** (a) Muscles (b) Cells (c) Bones (d) Fibres Answer - (c) AR PUBLICATION 44 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 03-10-2018 (Shift-II) (Bone is a connective tissue.) __________________________________________________________ 131. **Which tissues are found in bones of our body?** (a) Parenchyma (b) Permanent tissue (c) Connective (d) Epidermis Answer - (c) RRB Group-D 03-10-2018 (Shift-II) (Connective tissue is found in bones.) __________________________________________________________ 132. **Which of the following parts of the human body is/are NOT lined with squamous epithelium?** (a) Mouth (b) Skin (c) Esophagus (d) Kidney tubules Answer - (d) RRB Group-D– 01/09/2022 (Shift-III) (Kidney tubules are not lined by squamous epithelium.) __________________________________________________________ 133. **Which tissue in the coconut husk makes it hard and stiff?** (a) Guard cells (b) Parenchyma (c) Collenchyma (d) Sclerenchyma Answer - (d) AR PUBLICATION 45 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 23-08-2022 (Shift-II) (Sclerenchymatous tissue makes coconut husk hard.) __________________________________________________________ 134. **In plants, the cells of meristematic tissue undergo a process wherein they lose their ability to divide, take up a permanent shape and size and specialize to perform a specific function. What is this process known as?** (a) Development (b) Proliferation (c) Differentiation (d) Regeneration Answer - (c) RRB Group-D 25-08-2022 (Shift-I) (Process is called differentiation in meristematic cells.) __________________________________________________________ 135. **Stratified squamous epithelium is present in:** (a) Kidney (b) Respiratory system (c) Esophagus (d) Skin Answer - (d) RRB NTPC 18.01.2017 (Shift-III) Stage II (Stratified squamous epithelium is present in skin.) __________________________________________________________ 136. **.......... tissue consists of matrix and cells are embedded in matrix.** (a) Connective (b) Nerve (c) Muscular (d) Epithelium AR PUBLICATION 46 AR PUBLICATION Means Previous Years Questions arpublication.in Answer - (a) RRB Group-D 27-11-2018 (Shift-III) (Connective tissue has cells in extracellular matrix.) __________________________________________________________ 137. **––––––––––––– is a connective tissue.** (a) Collenchyma (b) Blood (c) Sclerenchyma (d) Parenchyma Answer - (b) RRB Group-D 06-12-2018 (Shift-II) (Blood is a connective tissue.) __________________________________________________________ 138. **What are the types of muscle tissue?** (a) 2 (b) 4 (c) 3 (d) 5 Answer - (c) RRB Group-D 05-12-2018 (Shift-III) (There are 3 types of muscle tissues.) __________________________________________________________ 139. **The outermost layer of human body skin is called:** (a) Sclera (b) Endodermis (c) Epidermis (d) Hypodermis AR PUBLICATION 47 AR PUBLICATION Means Previous Years Questions arpublication.in Answer - (c) RRB NTPC 18.01.2017 (Shift-III) Stage II (Epidermis is the outermost layer of skin.) __________________________________________________________ 140. **Which of the following is the outermost part of human skin?** (a) Epidermis (b) Dermis (c) Hypodermis (d) Nerve fibres Answer - (a) RRB NTPC Stage I 29.04.2016 (Shift-II) (Epidermis is the outermost layer of skin.) __________________________________________________________ 141. **Which of the following is not a connective tissue?** (a) Nerve cell (b) Cartilage (c) Bone (d) Blood Answer - (a) RRB Group-D 02-11-2018 (Shift-II) (Nerve cell is not a connective tissue.) __________________________________________________________ 142. **Squamous epithelium tissue is found in the alveoli of the lungs and other parts of animals where...... contraction and relaxation occur.** (a) Temporary (b) No (c) One AR PUBLICATION 48 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Regular Answer - (a) RRB Group-D 16-11-2018 (Shift-II) (Squamous epithelium is in lungs where gas exchange occurs.) __________________________________________________________ 143. **Skin is made of which type of cell?** (a) Epidermal cell (b) Parenchyma (c) Local tissue (d) Connective tissue Answer - (a) RRB Group-D 03-10-2018 (Shift-I) (Skin is made of epidermal cells.) __________________________________________________________ 144. **........type of tissues form the gland.** (a) Neural (b) Epithelium (c) Muscle (d) Connective Answer - (b) RRB Group-D 28-09-2018 (Shift-I) (Epithelium tissues form glands.) __________________________________________________________ 145. **To provide mechanical support to the kidney in animal cells, –––––– epithelium forms its inner layer.** (a) Cuboidal (b) Glandular (c) Squamous AR PUBLICATION 49 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Columnar Answer - (a) RRB Group-D– 22/09/2018 (Shift-III) (Cuboidal epithelium provides support to kidney cells.) __________________________________________________________ 146. **............types of tissue make up the gland.** (a) Nerve (b) Epithelial (c) Muscle (d) Connective Answer - (b) RRB Group-D 28-09-2018 (Shift-III) (Epithelial tissues form glands.) __________________________________________________________ 147. **Histamine-secreting cells are found in.......** (a) Connective tissues (b) Lungs (c) Nervous tissues (d) Muscle tissues Answer - (a) RRB Group-D– 16/11/2018 (Shift-II) (Histamine cells are in connective tissues.) __________________________________________________________ 148. **Areolar tissues acts as a filler tissue between alveoli of the lungs and other parts of animals..........** (a) Skin and muscles (b) Skin and bones AR PUBLICATION 50 AR PUBLICATION Means Previous Years Questions arpublication.in (c) Blood and skin (d) Bones and muscles Answer - (a) RRB Group-D 15-10-2018 (Shift-I) (Areolar tissue fills between skin and muscles.) __________________________________________________________ 149. **Which of following is red connective tissue?** (a) Plasma (b) White blood cells (c) Blood (d) Red blood cells Answer - (d) RRB Group-D 01-10-2018 (Shift-II) (Red blood cells are red connective tissue.) __________________________________________________________ 150. **.......... tissue forms the glands.** (a) Muscle (b) Epithelial (c) Connective (d) Nerve Answer - (b) RRB Group-D 05-10-2018 (Shift-III) (Epithelial tissues form glands.) __________________________________________________________ 151. **Parenchyma tissue is the most common simple Permanent tissue in plants. Why it is known as Chlorenchyma and Aerenchyma in some plants?** (a) Chlorenchyma – Has air spaces (aquatic plants) and helps them to float Aerenchyma – provides mechanical support AR PUBLICATION 51 AR PUBLICATION Means Previous Years Questions arpublication.in (b) Chlorenchyma – Has chlorophyll for photosynthesis (leaves) Aerenchyma – Has air spaces (aquatic plants) and helps them to float (c) Chlorenchyma – Supports the plant (d) Aerenchyma – Has chlorophyll for photosynthesis (leaves) Chlorenchyma – Has air spaces (aquatic plants) and helps them to float Answer - (b) RRB Group-D 14-09-2022 (Shift-I) (Chlorenchyma has chlorophyll, aerenchyma has air spaces.) __________________________________________________________ 152. **Generally, plants have low energy needs when compared to animals. The main reason for this is the:** (a) A and B (b) B and C (c) A and D (d) A and C Answer - (a) RRB Group-D 11-10-2022 (Shift-I) (Plants have low needs due to dead cells & no mobility.) __________________________________________________________ 153. **Meristematic tissue cells lack..............** (a) cytoplasm (b) nucleus (c) cell wall (d) vacuoles Answer - (d) RRB Group-D 11-10-2022 (Shift-III) (Meristematic cells lack vacuoles.) __________________________________________________________ 154. **Aerenchyma cells are present in ________.** AR PUBLICATION 52 AR PUBLICATION Means Previous Years Questions arpublication.in (a) Common water hyacinth (b) pea (c) cactus (d) neem Answer - (a) RRB Group-D 23-08-2022 (Shift-II) (Aerenchyma are in water hyacinth.) __________________________________________________________ 155. **Which tissue in the coconut husk makes it hard and stiff?** (a) Guard cells (b) Parenchyma (c) Collenchyma (d) Sclerenchyma Answer - (d) RRB Group-D 24-08-2022 (Shift-I) (Sclerenchymatous tissue makes coconut husk hard.) __________________________________________________________ 156. **Complex carbohydrates that make up cell wall in plants are called :** (a) Maltose (b) Cellulose (c) Sucrose (d) Lactose Answer - (b) RRB JE 02.06.2019 (Shift-II) (Cellulose makes plant cell walls.) __________________________________________________________ 157. **Which figure is the correct representation of the movement of food in phloem?** AR PUBLICATION 53 AR PUBLICATION Means Previous Years Questions arpublication.in (a) C (b) B (c) D (d) A Answer - (a) RRB Group-D 18-08-2022 (Shift-I) (Food moves via phloem as shown in figure C.) 158. **In which season would sugar stored in root or stem tissue be transported to the buds which need energy to grow in plants?** (a) Summer (b) Spring (c) Monsoon (d) Winter Answer - (b) RRB Group-D- 16/09/2022 (Shift-I) _______________________________________ 159. **Sieve plates are found in the __________.** (a) phloem fiber cells (b) phloem companion cells (c) phloem parenchyma cells (d) phloem tube cells Answer - (d) RRB Group-D- 26/09/2022 (Shift-II) _______________________________________ 160. **Which cells in the xylem are responsible for storing food?** AR PUBLICATION 54 AR PUBLICATION Means Previous Years Questions arpublication.in (a) Xylem fibres (b) Parenchyma (c) Vessels (d) Tracheids Answer - (b) RRB Group-D- 05/09/2022 (Shift-II) _______________________________________ 161. **Which part of the plant is responsible for transporting water from the roots of the plant to the rest of the plant?** (a) Collenchyma (b) Phloem tissue (c) Parenchyma (d) Xylem tissue Answer - (d) RRB NTPC 09.02.2021 (Shift-II) Stage Ist _______________________________________ 162. **Parenchyma and collenchyma are the types of** _______ **tissues.** (a) Vascular (b) Mechanical (c) Simple permanent (d) Nervous Answer - (c) RRB NTPC 23.01.2021 (Shift-I) Stage Ist _______________________________________ 163. **Which of the following statements about plant tissue is INCORRECT?** AR PUBLICATION 55 AR PUBLICATION Means Previous Years Questions arpublication.in (a) Xylem transports water and minerals. (b) Xylem and phloem are complex tissues. (c) Phloem transports food from leaves to other parts of the plant. (d) Materials can move in both directions in xylem. Answer - (d) RRB NTPC 31.01.2021 (Shift-II) Stage Ist _______________________________________ 164. **___________ tissues form vascular pools.** (a) Xylem and Collenchyma (b) Xylem and Parenchyma (c) Xylem and Phloem (d) Xylem and Sclerenchyma Answer - (c) RRB Group-D 12-12-2018 (Shift-III) _______________________________________ 165. **In addition of––––––––––––, Phloem is made up of all the following substances:** (a) Sieve tubes (b) Phloem vessels (c) Companion cells (d) Phloem filaments Answer - (c) RRB Group-D 12-12-2018 (Shift-II) _______________________________________ AR PUBLICATION 56 AR PUBLICATION Means Previous Years Questions arpublication.in 166. **Which of the following plant tissue cells are dead at maturity?** (a) Parenchyma (b) Collenchyma (c) Sclerenchyma (d) Aerenchyma Answer - (c) RRB Group-D 05-10-2018 (Shift-II) _______________________________________ 167. **Which of the following is not a function of the epidermis of plants?** (a) Providing protection. (b) Formation of insulation stationary air layer with the help of hair. (c) Regulation of transpiration. (d) Performing photosynthesis. Answer - (d) RRB Group-D 05-10-2018 (Shift-II) _______________________________________ 168. **What is the name of the process of adopting a permanent structure, shape and action to form permanent tissues?** (a) Differentiation (b) Integration (c) Decomposition (d) Mitigation Answer - (a) RRB ALP & Tec. (10-08-18 Shift-III) AR PUBLICATION 57 AR PUBLICATION Means Previous Years Questions arpublication.in _______________________________________ 169. **The cells of......... are thick at the corners irregularly.** (a) Collenchyma (b) Aerenchyma (c) Sclerenchyma (d) Parenchyma Answer - (a) RRB Group-D 31-10-2018 (Shift-II) _______________________________________ 170. **Sieve tubes and companion cells are mainly responsible for the transportation of:** (a) Water to leaf (b) Food to human body (c) Food to plants (d) Sunlight to plant/tree Answer - (c) RRB NTPC 09.02.2021 (Shift-I) Stage Ist _______________________________________ 171. **The cell walls of sclerenchyma are thick due to the deposition of................** (a) Lignin (b) Cuticle (c) Pectin (d) Suberin Answer - (a) AR PUBLICATION 58 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 13-12-2018 (Shift-II) _______________________________________ 172. **The apical meristem is found at the apex (growing tips) of the..........** (a) Stem and roots (b) Branch and roots (c) Leaf and root (d) Root Answer - (a) RRB Group-D 12-10-2018 (Shift-I) _______________________________________ 173. **The walls of sclerenchyma cells are thick due to...........** (a) Lignin (b) Cellulose (c) Hemi-cellulose (d) Chitin Answer - (a) RRB Group-D 18-09-2018 (Shift-III) _______________________________________ 174. **For more intracellular proliferation,...... cells are structured sparsely.** (a) Phloem (b) Sclerenchyma (c) Collenchyma (d) Parenchyma Answer - (d) AR PUBLICATION 59 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 17-09-2018 (Shift-III) _______________________________________ 175. **Which of the following is not a simple permanent tissue?** (a) Xylem (b) Parenchyma (c) Sclerenchyma (d) Collenchyma Answer - (a) RRB ALP & Tec. (30-08-18 Shift-III) _______________________________________ 176. **Which of the following tissues circulates dissolved salt and water from the roots?** (a) Ground tissue (b) Xylem (c) Phloem (d) Cambium Answer - (b) RRB J.E. (14.12.2014, Green paper) _______________________________________ 177. **Which tissue in a plant enables the transport of water and minerals?** (a) Stem (b) Root (c) Xylem (d) Stalk Answer - (c) AR PUBLICATION 60 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 20-09-2018 (Shift-I) _______________________________________ 178. **Which tissue in plants is responsible for the transport of material from the photosynthetic parts of plants?** (a) Phloem (b) Xylem vessels (c) Ground tissue (d) Meristem tissue Answer - (a) RRB Group-D 19-09-2018 (Shift-II) _______________________________________ 179. **Which of these is related to the carrying of water in plants?** (a) Phloem (b) Vessel (c) Meristematic tissue (d) Phloem Answer - (b) RRB Group-D 03-10-2018 (Shift-I) _______________________________________ 180. **Which of these cells transport water from roots to other parts of plants?** (a) Phloem (b) Vessel (c) Meristematic tissue (d) Xylem AR PUBLICATION 61 AR PUBLICATION Means Previous Years Questions arpublication.in Answer - (d) RRB NTPC 09.02.2021 (Shift-I) Stage Ist _______________________________________ 181. **Which of the following tissues has the largest intercellular space?** (a) Parenchyma (b) Collenchyma (c) Sclerenchyma (d) Xylem Answer - (a) RRB Group-D 22-09-2018 (Shift-II) _______________________________________ 182. **The.......... tissue is the only plant tissue that produces new cells by cell division.** (a) Parenchyma (b) Collenchyma (c) Meristematic (d) Xylem Answer - (c) RRB Group-D 11-12-2018 (Shift-II) _______________________________________ 183. **Tissues present around the edges in a lateral manner and giving rise to growth in the girth of the stem is called:** (a) Lateral meristematic tissue (b) Cambium (c) Apical meristematic tissue AR PUBLICATION 62 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Vertical meristematic tissue Answer - (a) RRB Group-D 23-10-2018 (Shift-II) _______________________________________ 184. **...... tissues form vascular bundles?** (a) Parenchyma and Collenchyma tissue (b) Xylem and Phloem (c) Sclerenchyma and Phloem (d) Sclerenchyma and Xylem Answer - (b) RRB Group-D 02-11-2018 (Shift-I) _______________________________________ 185. **Cells of........... tissue become thicker at the corners than –––––––––.** (a) Pectin and chitin (b) Suberin and cellulose (c) Cellulose and pectin (d) Lignin and cutin Answer - (c) RRB Group-D 10-12-2018 (Shift-I) _______________________________________ 186. **In addition of–****–****, Phloem is made up of all the following substances:** (a) Sieve tubes (b) Phloem vessels (c) Companion cells AR PUBLICATION 63 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Phloem filaments Answer - (c) RRB Group-D 12-12-2018 (Shift-II) _______________________________________ 187. **Which tissue is found in the root tip or shoot tip?** (a) Sieve tube (b) Sclerenchyma (c) Phloem tissue (d) Meristem tissue Answer - (d) RRB Group-D 08-10-2018 (Shift-I) _______________________________________ 188. **The girth of root and stem rings increase due to...........** (a) Parenchyma (b) Lateral meristem (c) Intercalary meristem (d) Apical meristem Answer - (b) RRB Group-D 04-10-2018 (Shift-II) _______________________________________ 189. **What causes the stem or root circle of a plant to grow:** (a) Lateral meristem (b) Intercalary meristem AR PUBLICATION 64 AR PUBLICATION Means Previous Years Questions arpublication.in (c) Extra meristem (d) Apical meristem Answer - (a) RRB Group-D 23-10-2018 (Shift-II) _______________________________________ 190. **The stem or root rings increases due to.................** (a) Calary meristem (b) Lateral meristem (c) Apical meristem (d) Intercalary meristem Answer - (b) RRB Group-D 04-10-2018 (Shift-II) _______________________________________ 191. **The apical meristem is found at the apex (growing tips) of the..........** (a) Stem and roots (b) Branch and roots (c) Leaf and root (d) Root Answer - (a) RRB Group-D 11-10-2018 (Shift-III) _______________________________________ 192. **Primary growth in plants occurs by:** A. Vertical meristem B. Lateral meristem AR PUBLICATION 65 AR PUBLICATION Means Previous Years Questions arpublication.in C. Intercalary meristem D. Apical meristem (a) A, B, C and D (b) C and D (c) B, C and D (d) A, B and D Answer - (b) RRB ALP & Tec. (31-08-18 Shift-I) _______________________________________ 193. **Areolar tissue fills........... space of organs, supports............ organs and repairs tissues.** (a) inside; internal (b) outside; external (c) outside; internal (d) inside; external Answer - (a) RRB Group-D 04-10-2018 (Shift-I) _______________________________________ 194. **In which of the following tissue, cells are alive, elongated and irregular at the corners?** (a) Parenchyma (b) Sclerenchyma (c) Aerenchyma (d) Collenchyma Answer - (d) RRB ALP & Tec. (13-08-18 Shift-I) AR PUBLICATION 66 AR PUBLICATION Means Previous Years Questions arpublication.in _______________________________________ 195. **Which of the following plant tissues is capable of cell division?** (a) Parenchyma (b) Xylem (c) Meristem (d) Sclerenchyma Answer - (c) RRB Group-D 20-09-2018 (Shift-III) _______________________________________ 196. **Which of the following permanent tissues cells are dead?** (a) Parenchyma (b) Collenchyma (c) Sclerenchyma (d) Aerenchyma Answer - (c) RRB ALP & Tec. (29-08-18 Shift-I) _______________________________________ 197. **__________cells are dead.** (a) Aerenchyma (b) Sclerenchyma (c) Collenchyma (d) Parenchyma Answer - (b) RRB Group-D 05-10-2018 (Shift-II) AR PUBLICATION 67 AR PUBLICATION Means Previous Years Questions arpublication.in _______________________________________ 198. **__________of plant tissue does not bear living protoplasm at maturity.** (a) Bronchiole (b) Vertebral tissue (c) Sclerenchyma (d) Collenchyma Answer - (c) RRB Group-D 05-10-2018 (Shift-II) _______________________________________ 199. **__________tissue is composed of dead cells.** (a) Sclerenchyma (b) Aerenchyma (c) Collenchyma (d) Parenchyma Answer - (a) RRB Group-D 25-09-2018 (Shift-III) _______________________________________ 200. **Which of the following is not a simple permanent tissue?** (a) Xylem (b) Parenchyma (c) Sclerenchyma (d) Collenchyma Answer - (a) RRB ALP & Tec. (30-08-18 Shift-III) AR PUBLICATION 68 AR PUBLICATION Means Previous Years Questions arpublication.in _______________________________________ 201. **Intercalary meristem is found:** (a) At the growing tips of stems. (b) At the growing tips of roots. (c) At the base of the leaves. (d) At the growing tips of leaves. Answer - (c) RRB Group-D 01-10-2018 (Shift-II) _______________________________________ 202. **Meristematic tissue take up a specific role and lose their ability to divide and then form a..........** (a) Permanent tissue (b) Companion cells (c) Sieve tube cell (d) RBC Answer - (a) RRB Group-D 03-10-2018 (Shift-III) _______________________________________ 203. **What is the name of the tissue in plants that carries water and minerals from the roots to other parts of the plant?** (a) Cambium (b) Xylem (c) Meristematic tissue (d) Phloem Answer - (b) AR PUBLICATION 69 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 16-11-2018 (Shift-III) _______________________________________ 204. **Which tissue-pairs constitute a vascular bundle?** (a) Parenchyma and Collenchyma tissue (b) Xylem and Phloem (c) Sclerenchyma and Phloem (d) Sclerenchyma and Xylem Answer - (b) RRB Group-D 02-11-2018 (Shift-I) _______________________________________ 205. **__________ is a complex permanent tissue.** (a) Xylem (b) Parenchyma (c) Sclerenchyma (d) Collenchyma Answer - (a) RRB Group-D 18-09-2018 (Shift-III) _______________________________________ 206. **Which of the following is not a simple permanent tissue?** (a) Sclerenchyma (b) Parenchyma (c) Collenchyma (d) Xylem Answer - (d) AR PUBLICATION 70 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 05-12-2018 (Shift-II) _______________________________________ 207. **There are three types of simple permanent tissues.** (a) Parenchyma, Companion cell and Sclerenchyma (b) Parenchyma; Collenchyma and meristem (c) Parenchyma, Collenchyma and Sclerenchyma (d) Phloem, Collenchyma and Sclerenchyma Answer - (c) RRB Group-D 22-10-2018 (Shift-III) _______________________________________ 208. **Which type of tissue has different types of cells performing the same function?** (a) Epidermal tissue (b) Complex tissue (c) Meristematic tissue (d) Neural tissue Answer - (b) RRB Group-D 05-10-2018 (Shift-I) _______________________________________ 209. **From which of the substance the plant cell wall is made of?** (a) Cellulose and Pectin (b) Only Pectin (c) Murein (d) Chitin Answer - (a) AR PUBLICATION 71 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 26-09-2018 (Shift-II) _______________________________________ 210. **Phloem works in plants:** (a) Flow of food (b) To support stem (c) Circulation of minerals (d) Flow of water Answer - (a) RRB Group-D 25-09-2018 (Shift-II) _______________________________________ 211. **Phloem in plants is responsible for transport of...............** (a) Food (b) Oxygen (c) Water (d) Minerals Answer - (a) RRB Group-D 20-09-2018 (Shift-I) _______________________________________ 212. **–––––– consists of relatively unspecialized cells with thin cell walls.** (a) Phloem (b) Parenchyma (c) Sclerenchyma (d) Collenchyma Answer - (b) AR PUBLICATION 72 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 22-09-2018 (Shift-III) _______________________________________ 213. **In ––––––, cells are loosely packed to provide large intercellular spaces.** (a) Parenchyma (b) Sclerenchyma (c) Tracheids (d) Collenchyma Answer - (a) RRB Group-D 28-09-2018 (Shift-II) _______________________________________ 214. **For more intracellular proliferation,...... cells are structured sparsely.** (a) Phloem (b) Sclerenchyma (c) Collenchyma (d) Parenchyma Answer - (d) RRB Group-D 17-09-2018 (Shift-III) _______________________________________ 215. **Permanent tissues are classified under......** (a) Sclerenchyma (b) Parenchyma (c) Collenchyma (d) Meristematic AR PUBLICATION 73 AR PUBLICATION Means Previous Years Questions arpublication.in Answer - (d) RRB Group-D 05-12-2018 (Shift-II) _______________________________________ 216. **–––––– tissues are very active, they have a dense cytoplasm, thin cell wall, central nucleus and less vacuoles.** (a) Meristematic (b) Collenchyma (c) Parenchyma (d) Sclerenchyma Answer - (a) RRB ALP & Tec. (17-08-18 Shift-III) _______________________________________ 217. **The cells of........tissue are differentiated to form different type of permanent tissues.** (a) Collenchyma (b) Parenchyma (c) Sclerenchyma (d) Meristematic Answer - (d) RRB Group-D 26-09-2018 (Shift-I) _______________________________________ 218. **There are mainly two types of plant tissue ––––** **and –––––––––––** (a) Permanent tissue, complex permanent tissue (b) Meristem tissue, simple permanent tissue (c) Meristem tissue, permanent tissue AR PUBLICATION 74 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Simple permanent tissue, complex permanent tissue Answer - (d) RRB Group-D 12-11-2018 (Shift-I) _______________________________________ 219. **Delivers food to all parts of plants:** (a) Parenchyma (b) Phloem (c) Collenchyma (d) Xylem Answer - (b) RRB Group-D 01-12-2018 (Shift-II) _______________________________________ 220. **................... is complex permanent tissue.** (a) Phloem (b) Parenchyma (c) Sclerenchyma (d) Collenchyma Answer - (a) RRB Group-D 30-10-2018 (Shift-I) _______________________________________ 221. **Which of the following is an example of permanent tissue?** (a) Blood (b) Xylem (c) Bone AR PUBLICATION 75 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Skin Answer - (b) RRB Group-D 16-10-2018 (Shift-I) _______________________________________ 222. **What type of a sea snail forms Coconut husk?** (a) Aerenchyma (b) Collenchyma (c) Parenchyma (d) Sclerenchyma Answer - (d) RRB Group-D 24-09-2018 (Shift-II) _______________________________________ 223. **What type of tissue makes coconut husk?** (a) Collenchymatous (b) Parenchyma (c) Sclerenchymatous fibre (d) Phloem parenchyma Answer - (c) RRB Group-D 12-10-2018 (Shift-III) _______________________________________ 224. **Which of the following is not a type of xylem?** (a) Tracheids (b) Sieve tube (c) Xylem fibres (d) Vessels AR PUBLICATION 76 AR PUBLICATION Means Previous Years Questions arpublication.in Answer - (b) RRB Group-D 20-09-2018 (Shift-II) _______________________________________ 225. **Which group of tissues circulates respiratory gases and nitrogenous wastes?** (a) Phloem (b) Xylem vessels (c) Ground tissue (d) Meristem tissue Answer - (a) RRB Group-D 19-09-2018 (Shift-II) _______________________________________ 226. **Flexibility in plants is due to...............tissue.** (a) Xylem (b) Sclerenchyma (c) Collenchyma (d) Phloem Answer - (c) RRB Group-D 17-09-2018 (Shift-I) _______________________________________ 227. **The new organism developed by bud is –––.** (a) Germ (b) Paramecium (c) Hydra (d) Amoeba Answer - (c) AR PUBLICATION 77 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 23-10-2018 (Shift-I) _______________________________________ 228. **Reproduction may occur by budding in..............** (a) Lobster (b) Starfish (c) Hydra (d) Earthworm Answer - (c) RRB Group-D 22-09-2018 (Shift-I) _______________________________________ 229. **Sclerenchyma is made up of..............** (a) White blood cells (WBC) (b) Dead cells (c) Red blood cells (RBC) (d) Complex cells Answer - (b) RRB Group-D 29-09-2018 (Shift-II) _______________________________________ 230. **Epidermis of desert plants has a thick waxy coating of......................** (a) Pectin (b) Cutin (c) Cellulose (d) Lignin Answer - (b) AR PUBLICATION 78 AR PUBLICATION Means Previous Years Questions arpublication.in RRB Group-D 05-12-2018 (Shift-I) _______________________________________ 231. **Tissues that help in transport of materials in plants are called:** (a) Ground tissue (b) Vascular tissue (c) Dermal tissue (d) Meristem tissue Answer - (b) RRB Group-D 06-12-2018 (Shift-III) _______________________________________ 232. **Plant kingdom is divided into groups which perform the following functions.** (a) Photosynthesis (b) Support (c) Reproduction (d) All of the above Answer - (d) RRB Group-D 15-11-2018 (Shift-I) _______________________________________ 233. **Which of the following is/are true or false?** (A) All children will inherit an X chromosome from their mother. (B) A child who inherits an X chromosome from her mother will be a girl. (C) All human chromosomes are not paired. AR PUBLICATION 79 AR PUBLICATION Means Previous Years Questions arpublication.in (D) All children will inherit a Y chromosome from their mother. (a) C and B (b) A and C (c) B and D (d) A, C and D Answer - (d) RRB Group-D- 16/09/2022 (Shift-I) _______________________________________ 234. **Which of the following dietary components per gram provides the highest energy in humans?** (a) Protein (b) Roughage (c) Carbohydrate (d) Fat Answer - (d) RRB NTPC (Stage-II) 14/06/2022 (Shift-I) _______________________________________ 235. **Hair colour is determined by............** (a) Peptin (b) Melanin (c) Keratin (d) Carotene Answer - (b) RRB JE 27.05.2019 (Shift-III) _______________________________________ AR PUBLICATION 80 AR PUBLICATION Means Previous Years Questions arpublication.in 236. **Which of the following is a milk protein?** (a) Glycine (b) Galactose (c) Renin (d) Casein Answer - (d) RRB JE 02.06.2019 (Shift-III) _______________________________________ 237. **Which of the following elements is a versatile element that forms the basis for all living organisms and many of the things we use?** (a) Carbon (b) Antimony (c) Barium (d) Curium Answer - (a) RRB NTPC (Stage -II) 03.02.2021 (Shift-I) Stage Ist _______________________________________ 238. **Which is the most abundant element present in plants?** (a) Iron (b) Carbon (c) Nitrogen (d) Manganese Answer - (b) RRB SSE (21.12.2014, Set-07, Yellow paper) _______________________________________ AR PUBLICATION 81 AR PUBLICATION Means Previous Years Questions arpublication.in 239. **What is the main part of human body made up of?** (a) Plasma (b) Fat (c) Protein (d) Water Answer - (d) RRB JE 29.05.2019 (Shift-I) _______________________________________ 240. **Which one of the following is not a macro nutrient?** (a) Vitamins (b) Fat (c) Carbohydrate (d) Amino acid Answer - (a) RRB Group-D 05-11-2018 (Shift-II) _______________________________________ 241. **A section of D.N.A which provides information for one protein is called the.........** (a) Nucleus (b) Lysosomes (c) Gene (d) Chromosome Answer - (c) RRB ALP & Tec. (31-08-18 Shift-I) AR PUBLICATION 82 AR PUBLICATION Means Previous Years Questions arpublication.in 242. **What is the full form of DNA in biology?** (a) Do not walk fast (b) Deoxyribo nucleic acid (c) Digital Network Architecture (d) Designated National Authority Answer - (b) RRB NTPC 04.04.2016 (Shift-I) Stage Ist _______________________________________ 243. **DNA in genetics refers to:** (a) Dye-neuro acid (b) Daily News Analysis (c) Detoxic neuro acids (d) Deoxyribo Nucleic Acid Answer - (d) RRB JE (14.12.2014, Green paper) _______________________________________ 244. **Hair colour is determined by............** (a) Peptin (b) Melanin (c) Keratin (d) Carotene Answer - (b) RRB JE 27.05.2019 (Shift-I) _______________________________________ 245. **One........ is produced from base events in protein synthesis.** AR PUBLICATION 83 AR PUBLICATION Means Previous Years Questions arpublication.in (a) DNA copy (b) RNA copy (c) mRNA copy (d) DNA and RNA copies Answer - (c) RRB Group-D 19-09-2018 (Shift-I) _______________________________________ 246. **Formation of a.............. is basic function during reproduction:** (a) m-RNA copy (b) DNA copy (c) RNA copy (d) I-RNA copy Answer - (b) RRB Group-D 23-10-2018 (Shift-III) _______________________________________ 247. **Which of following statements is/are incorrect?** (A) The complete name of DNA is deoxyribo- nucleic acid. (B) It is a chemical element present in a chromosome that carries genetic properties. (C) DNA is a polynucleotide, the nucleotide is the basic structural unit of DNA which consists of two components. (a) C and B (b) A and C (c) Only C AR PUBLICATION 84 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Only A Answer - (c) RRB Group-D 16-11-2018 (Shift-III) _______________________________________ 248. **The process of marking a gene in a DNA sequence is called............** (a) Gene expression (b) Sequence assembly (c) Annotation (d) Proteomics Answer - (c) RRB JE 31.05.2019 (Shift-IV) _______________________________________ 249. **The portion of DNA that provides information for a protein is called.............** (a) Chromosome (b) Lysosomes (c) Gene (d) Chromosome Answer - (c) RRB Group-D 05-11-2018 (Shift-I) _______________________________________ 250. **...................is a part of DNA, which provides information for a protein.** (a) Chromosome (b) Nucleus AR PUBLICATION 85 AR PUBLICATION Means Previous Years Questions arpublication.in (c) Gene (d) Traits Answer - (c) RRB Group-D 05-11-2018 (Shift-I) _______________________________________ 251. **What is the complete form of RNA?** (a) Robert Nuclear Acid (b) Retinal Nucleic Sid (c) Ribo nucleic acid (d) Ribo nuclear acid Answer - (c) RRB Group-D 10-10-2018 (Shift-II) _______________________________________ 252. **Which is the most abundant element present in the human body?** (a) Carbon (b) Oxygen (c) Nitrogen (d) Calcium Answer - (b) RRB JE 27.05.2019 (Shift-III) _______________________________________ 253. **Protein is an integral part of...........** (a) Antibody (b) Cell membrane (c) Enzymes AR PUBLICATION 86 AR PUBLICATION Means Previous Years Questions arpublication.in (d) All of these Answer - (d) RRB JE 24.05.2019 (Shift-I) _______________________________________ 254. **How much salt is present in our body?** (a) 1% (b) 2% (c) 0.4% (d) 0.6% Answer - (c) RRB NTPC 16.04.2016 (Shift-III) Stage I _______________________________________ 255. **Which of the following is not a part of the molecular structure of the human body?** (a) Hydrogen (b) Phosphorus (c) Carbon (d) Lead Answer - (d) RRB NTPC 03.04.2016 (Shift-III) Stage I _______________________________________ 256. **Which one of the following is a biological catalyst?** (a) Enzymes (b) Minerals (c) Hormones AR PUBLICATION 87 AR PUBLICATION Means Previous Years Questions arpublication.in (d) Radiation Answer - (a) RRB NTPC 23.02.2021 (Shift-I) 256. **Enzymes are basically...........** (a) Protein (b) Vitamin (c) Carbohydrate (d) Fat Answer - (a) RRB JE 27.06.2019 (Shift-I) _______________________________________ 257. **The laws of inheritance was discovered by:** (a) Charles Darwin (b) Hugo de Vries (c) Archibald Garrod (d) Gregor Mendel Answer - (d) RRB ALP & Tec. (30-08-18 Shift-I) _______________________________________ 258. **A cross between a tall plant (TT) and short plant (tt) resulted in F1 progeny which were all tall plants because:** (a) The plant height is governed by T and t (b) The plant height is governed by T only (c) The plant height is governed by T or t (d) The plant height is governed by t only AR PUBLICATION 88 AR PUBLICATION Means Previous Years Questions arpublication.in Answer - (d) RRB Group-D- 27/09/2022 (Shift-III) _______________________________________ 259. **How is the chromosome numbers maintained from one generation to another in sexually reproducing organisms?** (a) Doubling of chromosomes during gamete formation (b) Doubling of chromosomes during zygote formation (c) Halving of chromosomes during gamete formation (d) Halving of chromosomes during zygote formation Answer - (c) RRB Group-D– 30/09/2022 (Shift-I) _______________________________________ 260. **The tapeworm is related to phylum...............** (a) Aschelminthes (b) Annelida (c) Platyhelminthes (d) Nematoda Answer - (c) RRB Group-D 07-12-2018 (Shift-I) _______________________________________ 261. **In humans, the sex of the offspring is determined by the............** (a) Autosomes AR PUBLICATION 89 AR PUBLICATION Means Previous Years Questions arpublication.in (b) Paternal chromosome (c) Maternal chromosome (d) Both maternal and paternal chromosome Answer - (b) RRB Group-D 12-11-2018 (Shift-III) _______________________________________ 262. **One reason why Mendel was successful in discovering the laws governing inheritance of traits was...........** (a) He kept numerical count of the progeny (b) He used his knowledge of evolutionary processes (c) He used plants instead of animals (d) He was trained in scientific methods Answer - (a) RRB Group-D 29-09-2022 (Shift-I) _______________________________________ 263. **What would have happened if Mendel had not studied the F2 generation?** (a) He would not have discovered which traits were dominant (b) He would not have been able to get hybrid plants (c) He would not have discovered that recessive traits are not lost (d) He would not have been able to study multiple characters Answer - (c) RRB Group-D 11-10-2022 (Shift-III) AR PUBLICATION 90 AR PUBLICATION Means Previous Years Questions arpublication.in _______________________________________ 264. **Who among the following was the first to blend his knowledge of science and mathematics to keep count of individuals exhibiting a particular trait in each generation** (a) Gregor Johann Mendel (b) Stanley L Miller (c) Charles Robert Darwin (d) JBS Haldane Answer - (a) RRB Group-D- 07/10/2022 (Shift-II) _______________________________________ 265. **Mendel's law of independent assortment was based on parent pea plants differing in how many traits?** (a) Four (b) One (c) Three (d) Two Answer - (d) RRB Group-D– 30/09/2022 (Shift-I) _______________________________________ 266. **Some features of genes are mentioned below. Which option states the INCORRECT feature?** (a) They do not undergo any change. (b) They control traits by producing proteins. (c) Each germ cell has one gene set. (d) They are segments of DNA. AR PUBLICATION 91 AR PUBLICATION Means Previous Years Questions arpublication.in Answer - (a) RRB Group-D- 18/08/2022 (Shift-III) _______________________________________ 267. **Which of the following statements is INCORRECT?** (a) Sex is determined by different factors in various species. (b) Animals, such as snails, individuals can change sex. (c) All human chromosomes are not paired. (d) All children will inherit a Y chromosome from their mother Answer - (d) RRB Group-D- 19/09/2022 (Shift-II) _______________________________________ 268. **The sex of a person is determined by...........** (a) the chromosomes present in both sperm and ovum and dietary habits of parents (b) the chromosomes present in sperm (c) the chromosomes present in ovum (d) the chromosomes present in both sperm and ovum Answer - (b) RRB Group-D- 25/08/2022 (Shift-II) _______________________________________ 269. **The figure below shows a single organism undergoing reproduction and the progeny with minor differences. What could be the reason for the variation?** (a) variation in chromosomal number AR PUBLICATION 92 AR PUBLICATION Means Previous Years Questions arpublication.in (b) speciation of organisms (c) the results of the Mendel's experiments (d) mutation in species Answer - (a) RRB Group-D- 25/08/2022 (Shift-II) _______________________________________ 270. **The heredity of human can be traced to:** (a) African origin (b) American origin (c) South Asian origin (d) East Asian origin Answer - (a) RRB Group-D 28-09-2018 (Shift-I) _______________________________________ 271. *
