Chapter 4: Cells and Tissues (MCQs) PDF

Chapter 4. Cells and Tissues (MCQs) A. All organisms are made up of cells. B. New cells are formed from pre-existing cells. 1. A long protoplasmic extension is found in C. Substances found inside the cells are c...

Chapter 4. Cells and Tissues (MCQs) A. All organisms are made up of cells. B. New cells are formed from pre-existing cells. 1. A long protoplasmic extension is found in C. Substances found inside the cells are called A. mesophyll cells. B. white blood cells. protoplasm. C. xylem vessels. D. root hair cells. D. Cell is the structural and functional unit of 2. The diagram shows the molecules of two living things. different substances A and B. 7. The diagram shows a plant cell. Which of the labelled structures is responsible to control movement of substances across the cell? Which option is correct about the phenomenon shown above? 8. The diagram shows a plant cell. Difference in Movement of concentration molecules A Zero No movement B Higher at A Towards B C Higher at B Towards A D Zero From A to B and B to A 3. Two different types of cells are placed in a hypotonic solution. Which of the following options is correct about the condition of these cells after some time? What is the composition of the fluid found in Red blood cells Guard cells organelle R? A Flaccid Turgid A. Sugars and lignin B Turgid Flaccid B. Amino acids and lignin C. Minerals and glycogen C Turgid Turgid D. Minerals and amino acids D Flaccid Flaccid 9. A plant tissue is found with the following 4. Which of the following correctly identifies the characteristics. examples of soft and hard connective tissues? I. Found in young herbaceous stems II. Made of uneven thick cell wall Soft Connective Hard Connective III. Provides flexibility to the plant Tissue Tissue Which of the following plant tissues is it? A Tendon Cartilage A. Collenchyma B. Sclerenchyma B Cartilage Bone C. Parenchyma D. Vascular bundle C Fatty tissue Tendon 10. Which of the labelled parts of an animal cell is D Bone Fatty tissue responsible for converting molecules, coming 5. One of the important terms used in microscopy from rough endoplasmic reticulum, into is ‘magnification’ which is the furnished products? A. measure of the clarity of an image. B. increase in the apparent size of an object. C. minimum distance at which two objects are seen. D. measure of visible light passing through a specimen. 6. Which of the following is NOT a postulate of the cell theory presented by Schleiden and Schwann? 11. In the absence of which of the following organelles is a cell unable to breakdown food and waste material? A. Golgi apparatus B. Lysosomes C. Endoplasmic reticulum D. Ribosomes 18. Which of the following could be seen using a 12. Which of the following features of a leaf allows light microscope? carbon dioxide to reach the inner cells of the I. DNA II. Bacterial cell leaf rapidly? III. Individual atoms A. Thin Lamina B. More chloroplast A. I only B. II only C. Lignified xylem vessels D. Large surface C. II and III D. I and III 13. Facilitated diffusion takes place through 19. The function of bilayered lipids in the cell transport proteins. These transport proteins are membrane is to present in the A. act as gateways that allow movement of A. cell wall. B. cytoplasm. molecules. C. cell membrane. D. nuclear membrane. B. maintain the definite shape of the cell. 14. Which of the C. generate ATP for active transport. following D. provide elasticity and fluidity. CORRECTLY 20. A plant tissue is found with the following identifies the characteristics. organelle It is flexible. shown in the It is made of elongated cells with uneven diagram? cell wall. A.Mitochondri It is found in the cortex of young a herbaceous stems. B. Endoplasmic reticulum Which of the following plant tissues is most C. Ribosome likely to have the above characteristics? D. Chloroplast A. Sclerenchyma B. Collenchyma 15. Lysosomes are most abundant in those cells C. Phloem D. Xylem which perform phagocytic activity. Which of the 21. The diagram below shows an animal tissue. following cells has more lysosomes? A. Nerve cell B. Epithelial cell C. Islets of Langerhans D. White blood cell 16. A type of animal tissue has the following characteristics. i. It is found around kidneys. ii. It contains fat droplets. iii. It prevents heat loss. The given description identifies A. cartilage. B. blood. C. adipose tissue. D. fibrous connective tissue. Which of the following options describes the 17. Which of the following diagrams best characteristics of this animal? represents the movement of molecules in A. Unstriated and involuntary osmosis? B. Unstriated and voluntary C. Striated and involuntary D. Striated and voluntary 22. Which of the labelled organelles of the given animal cell is made up of microtubules? 24. Companion cells are different from phloem tissues due to the presence of A. sieve plates. B. nucleic acid. C. lignified walls. D. little protoplasm. 23. The diagram below shows a plant cell when 25. Which organelle is shown in the given diagram? placed in an isotonic solution. A. Centrioles B. Golgi bodies C. Rough endoplasmic reticulum D. Smooth endoplasmic reticulum 26. The given apparatus shows a setup to study the Which of the following diagrams shows the movement of material across a semi-permeable state of the plant cell after it is placed in a membrane. hypertonic solution for two hours? After three hours, the A. level of water in tube I will rise. B. level of water in tube II will rise. C. number of sucrose molecules in tube I will increase. D. number of sucrose molecules in tube II will increase. 27. The CORRECT examples of simple and compound tissues in plants are Simple Tissue Compound Tissue A Collenchyma Xylem B Phloem Epidermis C Epidermis Collenchyma  D Xylem Phloem 33. The given apparatus shows a setup to study the 28. In plant cells, adenosine triphosphate (ATP) is movement of material across a semi-permeable synthesised by membrane. A. ribosomes. B. chloroplasts. C. mitochondria. D. chromoplasts. 29. The function of smooth endoplasmic reticulum in an animal cell is the A. storage of enzymes. B. metabolism of lipids. C. formation of glucose. D. synthesis of proteins. 30. The given diagram shows the condition of After three hours, the human red blood cells when kept in a sucrose A. level of water in tube I will rise. solution. (Note: The internal concentration of B. level of water in tube II will rise. human red blood cells is 0.9%.) C. number of sucrose molecules in tube I will increase. D. number of sucrose molecules in tube II will increase. 34. Diagram I show the structure of a plant cell under normal conditions. When this cell is placed in a solution, its structure changes as shown in diagram II. The concentration of sucrose solution in the given situation would be The solution in which the cell was placed would A. 3% B. 5% be C. 0.9% D. 0.1% A. distilled water. B. isotonic to the cell. 31. The given diagram shows the transverse section C. hypotonic to the cell. of a leaf. D. hypertonic to the cell. 35. Cells in the skin epithelium of human beings are closely packed together. The closely packed cells are significant for A. secretion of mucus. B. absorption of material. C. protection of inner parts. D. conduction of nerve impulse. 36. A scientist wants to study the effect of different minerals on the growth of plants. For this The cells represented by X are purpose, she selects meristematic tissues from A. phloem cells. plants. B. epidermal cells. These tissues are best suited for her study C. parenchymal cells. because they D. collenchymal cells. A. cover the plant body. 32. In living cells, the function of ribosomes is the B. have the ability to divide. A. synthesis of proteins. C. can produce food for plants. B. metabolism of lipids. D. support the plant’s structure. C. production of energy. 37. The cell organelle which forms a network of D. recycling of material. interconnecting canals and continues with the nuclear envelope is identified as the A. ribosome. B. mitochondrion.  C. Golgi apparatus. D. Endoplasmic reticulum. 38. In the cell, Golgi apparatus lies near the endoplasmic reticulum because Golgi apparatus A. provides mechanical strength to the endoplasmic reticulum. B. receives and utilises ATP molecules from the endoplasmic reticulum. C. modifies and packages proteins produced by the endoplasmic reticulum. D. controls the movement of substances in and out of the endoplasmic reticulum. 39. The diagram that represents phloem vessels in plants is In the given diagram, facilitated diffusion is represented as A. X only. B. Z only. C. Y and Z. D. X and Y. 42. The option that is CORRECT about the number and function of vacuole in an animal cell is Number Function A single transports nutrients throughout the cell B multiple maintains the cell shape C multiple stores nutrients D single synthesises enzymes 43. In the mitochondria of a cell, the presence of inner membrane with large surface area is significant for the A. storage of lipids. B. removal of waste materials. C. protection of cell organelles. D. occurrence of chemical reactions. 44. In the given table, different sizes of blocks represent nutrients. Which of the following nutrients will be efficiently absorbed by the villi? 40. The organelle which is ABSENT in the root hair cell is A. nucleus. B. vacuole. C. cell wall. D. chloroplast. 41. The given diagram represents different transport mechanisms across the plasma membrane. 45. The layers of flat and closely packed cells of stratified squamous epithelium are MAINLY significant to A. secrete chemical substances into the blood. B. provide protection against mechanical injury. C. allow the exchange of materials with tissue fluid. D. prevent the accumulation of mucous in the windpipe. 46. Which of the following characteristics of a cell determine its size and shape? A. Location and function B. DNA content and size of the nucleus C. Structure of cellular organelles and their functions D. Composition of cell membrane and cellular organelles 47. Use the given key to answer the following question. The diagram that CORRECTLY represents the movement of glucose molecules into red blood cells through the process of facilitated diffusion is 48. The given diagram represents a plant cell. The part of the cell which is composed of cellulose is labelled as  53. An experiment is conducted to determine the effect of tonicity of the solutions on red blood cells. Image II represents the condition of RBCs after keeping them in different concentration of solutions in beaker I, II and III for a particular time. 49. ATP hydrolysis provides energy to transport the substances against their concentration gradient. If ATP hydrolysis is inhibited, then which of the following will NOT be able to transport through the cell? A. Vitamin D B. Sodium ions C. Oxygen molecules D. Carbon dioxide molecules 50. Following are the structural features of three different organelles. I. Its outer membrane is smooth, but the inner membrane forms many infoldings. II. It is composed of nine triplets of microtubules. III. It consists of a set of flattened sacs that The option that CORRECTLY identifies the are stacked over each other. tonicity of the solutions in beaker I, II and III is The option that CORRECTLY identifies Tonicity of the Solution Present in Beaker organelles I, II and III is I II III I II III A hypertonic hypotonic isotonic A ribosome smooth centriole B isotonic hypotonic hypertonic endoplasmic reticulum C hypotonic hypertonic isotonic B smooth Golgi ribosome D isotonic hypertonic Hypotonic endoplasmic apparatus reticulum 54. The given diagram represents the experimental C Golgi ribosome mitochondria set-up to determine the process of osmosis. apparatus D mitochondria centriole Golgi apparatus 51. In a human body, epithelial cells are located throughout the body and perform different functions based on their location. The epithelial cells that have both absorptive and secretory properties are located in The diagram that CORRECTLY shows the A. cartilages. B. blood vessels. molecular view of arm I and II of the tube is C. the spinal cord. D. the alimentary canal. 52. One of the parts of mitochondria that performs the following functions. It is the part where electron transport chain takes place. It greatly increases the surface area by forming cristae. This part of mitochondria is identified as the A. matrix. B. inner membrane. C. external membrane. D. inter-membrane space.  Which of the following graphs CORRECTLY represents the relationship between the side length of cells and their surface area to volume ratio? (Note: Graphs are not to scale.) 55. Consider the given cubes as cells.  Mention any TWO special features which help this tissue to perform its function efficiently. (2 Marks) (b) Describe the phenomenon of active transport on the basis of the following. (3 Marks) Active Transport Movement of Molecules Requirement of Energy Example Q4. How is turgor important to plants? (2 Marks) Q5. The diagram below shows a root hair cell and its adjacent cells. Identify and describe the process through which plants take up the given ions from the soil. CRQS Q1. The Golgi bodies in an animal cell have lost their ability to produce lysosomes. What changes do you Q6. The given diagrams show two amoebae of similar expect in such a cell? (2 Marks) size. Q2. Differentiate between rough and smooth endoplasmic reticulum. (2 Marks) Q3 (a) The diagram shows a tissue found in plants.  Q5. i. What are meristematic tissues? (1 Mark) ii. Describe structural adaptations in any THREE of the permanent tissues in plants that help to perform their function efficiently. (6 Marks) Q6. The given diagrams, I and II, show the effect of different solutions on plant cells. Which of the two amoebae will have greater surface area to volume ratio? Support your answer with suitable description. (3 Marks) ERQ Q1. The process shown below is a type of passive i. What is meant by tonicity? (1 Mark) transport. ii. Explain the effect of the solution on the cell in each case with reference to osmosis. (6 Marks) Q7. The given diagram shows different types of tissues present in the human arm. A C Justify this process as passive while describing the importance and mechanism of the transport system. (5 Marks) i. State any ONE feature of animal tissues. (1 Mark) Q2. Describe in detail THREE structural features and ii. Describe the specificities and functions of tissues, functions of the organelle shown in the diagram. (5 labelled as A, B and C shown in the given diagram. (6 Marks) Marks) Q8. Bacterial cell is classified as a prokaryotic cell while a plant cell as a eukaryotic cell. With reference to the given classification, mention any THREE similarities and FOUR differences between a bacterial and a plant cell. (7 Marks) Q9. Describe any SIX functions of cell membrane in the human body. (6 Marks) Q3. Given are names of some renowned biologists. Robert Brown, Schleiden and Schwann, Aristotle Robert Hooke, Antonie van Leewenhoek Following the progressive development of our knowledge of the cell from the earliest to the recent, describe the role of each scientist. (7 Marks) Q4. Describe the structure of endoplasmic reticulum. Also describe the structures and functions of its two types. (7 Marks)