Biology MCQs PDF

BIOLOGY MCQs 1. Consider the following statements about Vechur C. Silver fish 3. Mollusca cattle breed D. Bombay duck 4. Coelenterata 1. Vechur is the world’s largest cow. Codes: 2. It is indigenous breed fo...

BIOLOGY MCQs 1. Consider the following statements about Vechur C. Silver fish 3. Mollusca cattle breed D. Bombay duck 4. Coelenterata 1. Vechur is the world’s largest cow. Codes: 2. It is indigenous breed found in Kerala. A B C D 3. Its milk protein has medicinal value. (a) 3 4 2 1 4. Commonly used in farming as draught (b) 3 2 4 1 animal. (c) 2 3 1 4 Which of the statements given above are correct? (d) 2 1 3 4 (a) 1, 2, 3 and 4 (b) 1, 2 and 3 5. Which of the following professionals are more (c) 2, 3 and 4 (d) 3 and 4 likely to run the risk of a permanent change in 2. Consider the following statements: their cell’s DNA? 1. Warm-blooded animals can remain active 1. Researchers from carbon-14 isotope in cold environment in which cold-blooded 2. X-ray technician animals can hardly move. 3. Coal miner 2. Cold-blooded animals require much less 4. Dyer and painter energy to survive than warm-blooded Select the correct answer from the codes given animals. below: Which of the statements given above is/are (a) 2 only (b) 1, 2 and 3 correct? (c) 1, 2 and 4 (d) 1, 3 and 4 (a) 1 only (b) 2 only 6. Consider the following statements about gene (c) Both 1 and 2 (d) Neither 1 nor 2 1. Word ‘Gene’ was given by Johanssen. 3. Consider the following statements: 2. Genes are situated on chromosomes. 1. Human beings have 23 pairs of chromosomes. 3. Genes located at different locus and having 2. Sex chromosome in human male is named different expression are multiple alleles. XX. Which of the statements given above are true? 3. Chromosomes are best seen in metaphase. (a) 1 and 2 (b) 2 and 3 Which of the statements given above are false (c) 1 and 3 (d) 1, 2 and 3 about chromosomes? 7. Consider the following statements: (a) 1 and 2 (b) 2 only 1. Frogs can breathe by lungs as well as skin. (c) 1, 2 and 3 (d) None of these 2. Gills are not present in any stage of lifespan 4. Match List-I (animals) with List-II (class/ of frogs. phylum) and select the correct answer from the Which of the statements given above is/are codes given below: correct? List-I List-II (a) 1 only (b) 2 only A. Octopus 1. Pisces (c) 1 and 2 only (d) Neither 1 nor 2 B. Jellyfish 2. Arthropoda 8. Consider the following statements: Which of these statements are correct? Assertion (A): In humans, female sex is (a) 1, 2, 3 and 4 determined by XX-chromosomes. (b) 1, 2 and 3 Reason (R): Male sex is determined by (c) 2, 3 and 4 YY-chromosomes. (d) 1 and 4 Codes: 12. Match List-I with List-II and select the correct (a) Both A and R are true and R is the correct answer from the codes given below: explanation of A. List-I List-II (b) Both A and R are true, but R is not the correct A. Arber and 1. Developed explanation of A. Smith transgenic plants (c) A is true, but R is false. with Agrobacterium (d) A is false, but R is true. T-DNA 9. With reference to the work of human kidney, B. Feldman 2. Discovered consider the following statements: endonucleases 1. After the waste is removed in the kidney, C. Mullis 3. Discovered reverse the cleaner blood is sent back through renal transcriptase artery. D. Temin and 4. Discovered 2. From Bowman’s capsule, the filtered liquid Baltimore polymerase passes through tiny tubes where much of the chain reaction glucose is reabsorbed and sent back to the Codes: blood in the renal vein. A B C D Which of the statements is/are correct? (a) 2 1 4 3 (a) 1 only (b) 1 2 4 3 (b) 2 only (c) 2 1 3 4 (c) Both 1 and 2 (d) 1 2 3 4 (d) Neither 1 nor 2 13. Consider the following statements: 10. Consider the following statements: Assertion (A): Human diet should compulsorily Assertion (A): Drinking of whisky increases the contain glycine, serine and tyrosin. frequency of urination. Reason (R): Essential amino acids can’t be Reason (R): Alcohol intake speeds up the synthesized in the human body. secretion of vasopressin in the body. Codes: Codes: (a) A and R are true and R is the correct (a) Both A and R are true and R is the correct explanation of A. explanation of A. (b) A and R are true, but R is not the correct (b) Both A and R are true, but R is not the correct explanation of A. explanation of A. (c) A is true, but R is false. (c) A is true, but R is false. (d) A is false, but R is true. (d) A is false, but R is true. 14. Oxygen transportation in a human body takes 11. With reference to the human body, consider the place through following statements: 1. Blood 1. The production of somatropin goes up when 2. Lungs a person exercises. 3. Tissue 2. Men’s testes produce progesterone. The correct sequence of transportation is 3. Women’s adrenal glands secret testosterone. (a) 1, 2 and 3 (b) 3, 1 and 2 4. Stress causes the adrenal to release very less (c) 2, 1 and 3 (d) 1, 3 and 2 amount of cortisol than usual. 15. Consider the following statements: 18. Match List-I with List-II and select the correct Assertion (A): Scientists can cut apart and paste answer from the codes given below: together DNA molecules at will, regardless of the List-I List-II source of the molecules. (Bone) (Name) Reason (R): DNA fragments can be manipulated A. Breast bone 1. Clavicle from restriction endonucleases and DNA ligases. B. Collar bone 2. Patella Codes: C. Knee cap 3. Scapula (a) Both A and R are true and R is the correct D. Shoulder blade 4. Sternum explanation of A. Codes: (b) Both A and R are true, but R is not the correct A B C D explanation of A. (a) 4 1 3 2 (c) A is true, but R is false. (b) 1 4 3 2 (d) A is false, but R is true. (c) 1 4 2 3 16. Consider the following statements: (d) 4 1 2 3 Assertion (A): ‘DNA fingerprinting’ has become 19. Match the hormones in List-I with items in a powerful tool to establish paternity and identity List-II and select the correct answer from the of criminals in rape and assault cases. codes given below: Reason (R): Trace evidences, such as hairs, List-I List-II saliva and dried semen, are adequate for DNA A. Adrenaline 1. Anger, fear, danger analysis. B. Oestrogen 2. Attracting partners of Codes: smell through sense (a) Both A and R are true and R is the correct C. Insulin 3. Females explanation of A. D. Pheromones 4. Glucose (b) Both A and R are true, but R is not the correct Codes: explanation of A. A B C D (c) A is true, but R is false. (a) 3 1 4 2 (d) A is false, but R is true. (b) 1 3 2 4 17. Match List-I with List-II and select the correct (c) 1 3 4 2 answer from the codes given below: (d) 3 1 2 4 List-I List-II 20. Match List-I with List-II and select the correct A. Discovery of 1. Khorana answer from the codes given below: transduction and List-I List-II conjugation in bacteria A. Ptyalin 1. Converts angiotensinogen B. Establishing the 2. Kornberg in blood into angiotensin sex-linked inheritance B. Pepsin 2. Digests starch C. Isolation of DNA 3. Lederberg C. Renin 3. Digests proteins polymerase from E. coli D. Oxytocin 4. Hydrolyses fats D. Establishing the 4. Morgan 5. Induces contraction of complete genetic code 5. Ochoa smooth muscles Codes: Codes: A B C D A B C D (a) 4 3 2 1 (a) 2 3 1 5 (b) 3 4 1 5 (b) 3 4 2 5 (c) 4 3 1 5 (c) 2 3 5 1 (d) 3 4 2 1 (d) 3 1 2 4 21. Match List-I with List-II and select the correct 25. Consider the following statements: answer by from the codes given below the lists: 1. Dengue is a protozoan disease transmitted List-I List-II by mosquitos. A. EEG 1. Muscle 2. Retro-orbital pain is not a symptom of B. ECG 2. Eye dengue. C. EOG 3. Brain 3. Skin rash and bleeding from nose and gums D. EMG 4. Heart are some of the symptoms of the dengue. Codes: Which of the statements given above is/are A B C D (a) 1 2 3 4 correct? (b) 3 4 2 1 (a) 1 and 2 only (b) 2 only (c) 2 3 4 1 (c) 3 only (d) 1 and 3 only (d) 4 3 1 2 26. Consider the following statement about lymph 22. Which of the following diseases are infectious in 1. Lymph is another medium of circulation in milch animals? the human body. 2. Lymph flows in only one direction - from the 1. Hand diseases heart to body tissues. 2. Anthrax 3. Lymph protects the body by killing the 3. Black quarter germs drained out of the body tissues with 4. Cowpox the help of Lymphocytes. Select the correct answer from the codes given (a) 1 and 3 are correct below: (b) 1 and 2 are correct (a) 1, 2 and 3 (b) 2, 3 and 4 (c) 2 and 3 are correct (c) 1 and 4 (d) 1, 2, 3 and 4 (d) 1, 2 and 3 are correct 23. Consider the following statements: 27. Consider the following statements: 1. Meningococcal meningitis is transmitted 1. ELISA test is employed as the first and most from person to person by mosquito bites. basic test for an individual to detect cancer. 2. Vomiting and neck pain are two of the 2. Almost 50% human being have Rh+ blood symptoms of meningococcal meningitis. while the remaining have Rh– blood. Which of the statements given above is/are Which of the statements given above is/are correct? correct? (a) 1 only (b) 2 only (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2 (c) Both 1 and 2 (d) Neither 1 nor 2 24. Consider the following statements and select the 28. Match List-I with List-II and select the correct correct answer from the codes given below: answer from the codes given below the lists: Assertion (A): If somebody stops taking green List-I List-II vegetables, he will suffer from night blindness. A. Plague 1. Protozoa Reason (R): He will suffer from vitamin A B. AIDS 2. Fungus deficiency. C. Baldness 3. Virus Codes: D. Malaria 4. Bacteria (a) Both A and R are true and R is the correct Codes: explanation of A. A B C D (b) Both A and R are true, but R is not the correct (a) 1 2 3 4 explanation of A. (b) 2 3 4 1 (c) A is true, but R is false. (c) 3 4 1 2 (d) 4 3 2 1 (d) A is false, but R is true. 29. Consider the following statements Reason (R): An undifferentiated, unorganised Assertion (A): An enzyme is basically a protein fibrillar chromosome exists inside the prokaryotic which acts like a catalyst in the metabolic cells. reactions of an organism. Codes: Reason (R): The pancreatic juice is basically (a) Both A and R are true and R is the correct composed from three enzymes trypsin, amylase explanation of A. and lipase. (b) Both A and R are true, but R is not the correct Codes: explanation of A. (a) A and R are correct and R is the correct (c) A is false, but R is true. explanation of A. (d) Both A and R are false. (b) Both A and R are true, but R is not the correct 33. Consider the following statements and choose the explanation of A. correct code. (c) A is true, but R is false. Assertion (A): Regeneration in animals is one of (d) A is false, but R is true. the strategies to escape predation. 30. Match the following columns: Reason (R): These strategies include the Types of Function rearrangement of pre-existing tissue. blood cells Codes: A. Neutrophils 1. Heparin and (a) Both A and R are true and R is the correct histamine secretion explanation of A. B. Basophils 2. Antibodies formation (b) Both A and R are true, but R is not the correct C. Acidophils 3. Scavenger explanation of A. D. Monocytes 4. Phagocytes (c) A is false, but R is true. E. Lymphocytes 5. Antiallergic and (d) Both A and R are false. healing of wounds 34. Which one of the following animals is correctly Codes: matched with its one characteristic and taxon? A B C D E Animal Characteristic Taxon (a) 3 1 5 4 2 (a) Sea anemone Ventral nerve Arachnide (b) 1 4 5 3 2 cord (c) 3 2 1 4 5 (b) Millipede Triploblastic Cnidaria (d) 2 3 1 4 5 (c) Duckbilled Oviparous Mammaliar 31. Consider the following statements and choose the platypus correct ones. (d) Silver fish Pectoral fins Cnordate 1. Once the HIV gains a foothold, it can never 35. Match List-I with List-II and select the correct be eradicated from the body. answer from the codes given below: 2. Many HIV patients, however, can manage List-I List-II the infection with a cocktail of drugs. A. Gonads 1. Insulin 3. It is very mutable and infects the respiratory B. Pituitary 2. Progesterone system itself. C. Pancreas 3. Growth hormone (a) 1 and 2 only D. Adrenal 4. Cortisol (b) 2 and 3 only Codes: (c) None A B C D (d) All are correct (a) 2 3 4 1 32. Consider the following statements and choose the (b) 2 3 1 4 correct code. (c) 3 2 4 1 Assertion (A): A true nucleus is absent in E. coli (d) 3 2 1 4 and other prokaryotes. 36. Match the List-I and LIst-II: (3) CT scanning was developed by Godfrey List-I List-II Hounsfield. (Organs of the Body) (Process of Treatment) (a) Only 1 (b) Only 2 A. Heart 1. Cataract Operation (c) Only 1 and 3 (d) All are correct B. Kideny 2. Angioplasty 40. Match the List-I with List-II C. Eye 3. Hysterectomy List - I List - II D. Uterus 4. Dialysis A. Phobia 1. Maladaptive habit Codes: B. Neurosis 2. Undue concern about A B C D health (a) 1 2 3 4 C. Hypochondria 3. Lack of sleep (b) 2 4 1 3 (c) 4 2 1 3 D. Insomnia 4. Intense fear (d) 1 2 4 3 Codes: 37. Consider the following statements and choose the A B C D correct code. (a) 1 3 4 2 Assertion (A): Osteoporosis is a reduction in (b) 2 4 3 1 bone mass causing weakness of skeletal bones. (c) 4 1 2 3 Reason (R): It is caused by excessive resorption (d) 3 2 1 4 of calcium and phosphorus from the bone. 41. Match the List-I with List-II Codes: List-I List-II (Disease) (Meanings) (a) Both A and R are true and R is the correct A. Jaundice 1. Allergic inflammation of nose explanation of A B. Stenosis 2. Loss of motor functions (b) Both A and R are true, but R is not the correct C. Rhinitis 3. Defect of heart values explanation of A D. Paralysis 4. Increase in bile pigments in (c) A is true, but R is false. the blood (d) Both A and R are false. Codes: 38. Match the List-I with List-II A B C D List-I List-II (a) 1 4 2 3 Carcinogens Organs affected (b) 3 2 4 1 A. Cigarette smoke 1. Lungs and arteries (c) 4 3 1 2 B. Mustard gas 2. Lungs (d) 2 1 3 4 C. Asbestos 3. Lungs and pleural 42. The main reason why antibiotics could not solve membrane all the problems of bacterial diseases is D. Vinylchloride 4. Liver (a) Insensitivity of the individual following Codes: prolonged exposure to antibiotics A B C D (b) Inactivation of antibiotics by bacterial (a) 4 3 2 1 (b) 1 2 3 4 enzymes (c) 4 2 1 3 (c) Decreased efficiency of the immune system (d) 3 1 2 4 (d) The development of mutant strains resistant 39. Consider the following statements and the correct to antibiotics ones. 43. Consider the following statements: (1) Fish that eradicates the mosquito larva is 1. Annual rings are distinct in plants which Gambusia. grow in temperate region. (2) The instrument used to measure blood 2. One growing ring of plant consists of only pressure is Autoanalyser. spring wood.  Which of the statements given above is/are 48. Match List-I with List-II and select the correct correct about annual ring? answer by using the codes given below: (a) 1 only List-I List-II (b) 2 only (Institutes) (Places) (c) 1 and 2 A. National Botanical 1. Shimla (d) Neither 1 nor 2 Research Institute 44. Consider the following statements: (NBRI) 1. Carolus Linnaeus is the father of binomial B. Central Potato Research 2. Lucknow nomenclature of organisms. Institute (CPRI) 2. The word taxonomy was coined by Augustin C. Central Rice Research 3. Cuttack de Candolle. Institute (CPRI) Which of the above statements is/are correct? D. Central Forest 4. Dehradun (a) 1 only (b) 2 only Research Institute (c) Both 1 and 2 (d) Neither 1 nor 2 (CFRI) 45. Match List-I with List-II and select the correct Codes: answer by using the codes given below: A B C D List-I List-II (a) 2 1 3 4 A. Ribosome 1. Suicidal bag of cells (b) 1 3 4 2 B. Lysosome 2. Protein factory of cells (c) 3 4 2 1 C. Mitochondria 3. Controller of cell (d) 4 2 1 3 D. Nucleus 4. Power house of cell 49. Match List-I with List-II and select the correct Codes: answer by using the codes given below: A B C D List-I List-II (a) 2 1 4 3 A. Sundew 1. Drosera (b) 4 3 2 1 B. Venus flytrap 2. Dionaea (c) 1 4 3 2 C. Bladderwort 3. Utricularia (d) 3 2 1 4 D. Pitcher plant 4. Nepenthes 46. Which of the following is the correct sequence of Codes: the different phases of cell division? A B C D 1. Anaphase (a) 1 2 3 4 2. Telophase (b) 2 3 4 1 3. Prophase (c) 3 4 1 2 4. Metaphase (d) 4 1 2 3 Codes: 50. Match List-I with List-II and select the correct (a) 1, 2, 3, 4 (b) 1, 3, 2, 4 answer by using the codes given below: (c) 3, 1, 4, 2 (d) 3, 4, 1, 2 List-I List-II 47. Consider the following statements: A. Dark reaction 1. Grana of chloroplast 1. The cell was discovered by Robert Hooke. B. Light reaction 2. Stroma of 2. Nucleus was described by Robert Brown. chloroplast 3. Plant cells generally have lysosomes. C. Glycolysis 3. Cytoplasm D. Kreb's cycle 4. Mitochondrial Which of the above statements is/are correct? matrix (a) 1 only (b) 1 and 2 only (c) 2 and 3 only (d) 1, 2 and 3  Codes: 2. Bryophytes do not have vascular tissue. A B C D 3. Selaginella is an example of Bryophytes. (a) 2 1 3 4 Which of the statements given above is/are (b) 3 4 2 1 correct? (c) 1 3 4 2 (a) 1 only (d) 4 2 1 3 (b) 1 and 2 only 51. Match List-I with List-II and select the correct (c) 1, 2 and 3 answer by using the codes given below: (d) Neither 1 nor 2 only 3 List-I List-II 55. Consider the following statements: A. Cycas 1. Living fossil 1. Food prepared by plant is transported to B. Zamia pygmaea 2. Smallest different parts of plant through phloem. gymnosperm 2. Water and minerals in plant is transported C. Sequoia gigantea 3. Tallest gymnosperm through phloem. D. Abies balsamea 4. Canada balsam 3. The cell wall of phloem cells is rich in lignin. Codes: Which of the statements given above is/are A B C D correct? (a) 1 2 3 4 (a) 1 only (b) 2 and 3 (b) 2 3 4 1 (c) 1 and 3 (d) 1, 2 and 3 (c) 4 1 2 3 56. Consider the following statements: (d) 3 4 1 2 1. Lichens show symbiotic association between 52. Consider the following statements: algae and bryophytes. 1. Sphagnum is used as a packing material for 2. Lichens are sensitive to SO2 and indicators transporting living plants. of pollution. 2. Drug ephedrine is obtained from stem of Which of the statements given above is/are Sphagnum. correct about lichens? Which of the statements given above is/are (a) 1 only (b) 2 only correct? (c) Both 1 and 2 (d) Neither 1 nor 2 (a) 1 only (b) 2 only 57. Consider the following statements: (c) Both 1 and 2 (d) Neither 1 nor 2 1. Chlorella is present in sewage. 53. Match List-I with List-II and select the correct 2. Chlorella produces food rich in vitamins, answer by using the codes given below: proteins, etc. List-I List-II 3. Chlorella is used in prolonged space flight A. Sanjeevani 1. Adiantum sp. for O2. B. Maiden hair fern 2. Dryopteris sp. 4. Chlorella yields an antibiotic, penicillin. C. Horse tail 3. Equisetum sp. Which of the statements given above is/are D. Male shield fern 4. Selaginella sp. correct? Codes: (a) 1 and 2 only (b) 2 and 3 only A B C D (c) 1, 2 and 3 only (d) 1, 2, 3 and 4 (a) 1 2 4 3 58. Diabetes mellitus takes place only when (b) 4 3 1 2 (a) a-cells of pancreas are in excess (c) 4 1 3 2 (b) b-cells of pancreas are in excess (d) 3 1 2 4 (c) a-cells of pancreas are in hypo 54. Consider the following statements: (d) b-cells of pancreas are in hypo 1. Bryophytes are the amphibians of plant kingdom. 59. Consider the following statements and select the Which of the statements given above is/are correct answer from the codes given below: correct? Assertion (A): In filariasis, the lower legs and (a) 1 only (b) 2 only scrotum are swelled to unproportionate level (c) Both 1 and 2 (d) Neither 1 nor 2 Reason (R): The filarial worms block the lymph 64. Consider the following statements: vessels and lymph node. 1. ECG is a test that measures the electrical Codes: activity of the heart. (a) Both A and R are true and R is the correct 2. ECG is not used to measure the rate and explanation of A. regularity of heart beats. (b) Both A and R are true, but R is not the correct Which of the statement/s given above is/are explanation of A. correct? (c) A is true, but R is false. (a) 1 only (b) 2 only (d) A is false, but R is true. (c) Both 1 and 2 (d) None of these 60. Consider the following statements: 65. Match the List-I with List-II 1. Progeria is the genetic disease associated List-I List-II with fast ageing. A. Neoplasm 1. Haematopoietic cell tumours 2. Progeric patients never live beyond early B. Benign 2. Bone, cartilage tissue years of 5 or 6. tumour cancers Which of the statements given above is/are C. Carcinomas 3. Malignant tumour correct? D. Sarcomas 4. Cancer of epithelial tissues (a) 1 only (b) 2 only E. Lymphomas 5. Non-cancerous tumour (c) Both 1 and 2 (d) Neither 1 nor 2 6. Initiation of new tumours 61. Match the List-I with List-II Codes: List-I List-II A B C D E Disease Causative agent (a) 3 5 4 2 1 A. Amoebiasis 1. Trypanosoma (b) 2 5 4 3 6 gambiense (c) 6 4 3 2 1 B. Sleeping sickness 2. Treponema pallidum (d) 2 3 5 6 4 C. Syphilis 3. Entamoeba histolytica 66. Consider the following statements: D. Bubonic plague 4. Pasteurella pestis 1. A colour blind person cannot distinguish red Codes: and green. A B C D 2. Colour blindness is related with a defect in (a) 1 3 4 2 nerve cells. (b) 3 1 2 4 Which of the statements given above is/are (c) 4 2 3 1 correct? (d) 2 4 1 2 (a) 1 only (b) 2 only 62. Which of the following statements are correct? (c) Both 1 and 2 (d) Neither 1 nor 2 1. Stewart's disease of corn is caused by 67. Match List-I with List-II and select the correct Erwinia stewartii. answer by using the codes given below: 2. The primary vector of Erwinia stewartii is List-I List-II corn flea beetle Chaetocnema pulicaria. A. Agroforestry 1. Growing plant (a) 1 only (b) 2 only without soil in water (c) Both 1 and 2 (d) Neither 1 nor 2 containing nutrients 63. Consider the following statements: B. Hydroponics 2. Growing of tree with 1. Hashimoto disease results in thymosin cultivation of crop in deficiency. the same field 2. Cretinism in children occurs due to thyroxine deficiency.  C. Pomology 3. Study of fruits 71. Match the following: D. Palynology 4. Study of pollen grains List-I List-II Codes: A. Chili pepper 1. Capsaicin A B C D B. Coriander 2. Allicin (a) 2 1 3 4 C. Garlic 3. Lycopene (b) 3 4 2 1 D. Tomato 4. Geraniol (c) 1 3 4 2 Codes: (d) 4 2 1 3 A B C D 68. Match List-I with List-II and select the correct (a) 1 4 2 3 answer by using the codes given below: (b) 3 1 2 4 List-I List-II (c) 4 3 1 2 (Physiological processes) (Cell organelles) (d) 2 1 3 4 A. Photosynthesis 1. Plasma membrane 72. Match List-I with List-II and select the correct B. Mineral uptake 2. Chloroplast answer by using the codes given below: C. Respiration 3. Mitochondria List-I List-II D. Protein synthesis 4. Ribosomes A. Fruit 1. Ovule Codes: B. Seed 2. Leaf A B C D C. Wood 3. Stem (a) 1 2 3 4 D. Starch 4. Ovary (b) 1 2 4 3 Codes: (c) 2 1 3 4 A B C D (d) 2 1 4 3 (a) 2 1 3 4 69. Consider the following plants: (b) 2 3 1 4 1. Bougainvillea 2. Carnations (c) 4 1 3 2 3. Cocoa 4. Grapes (d) 4 3 1 2 Which of these plants are propagated by stem 73. Consider the following statements: cutting? 1. Swine flu is also called swine influenza. (a) 1 and 2 (b) 2, 3 and 4 2. It is an infection caused by swine influenza (c) 1, 3 and 4 (d) 1, 2, 3 and 4 viruses. 70. Match List-I with List-II and select the correct 3. Swine flu is transmitted from person to answer by using the codes given below: person by inhalation or ingestion of droplets List-I List-II containing virus from people sneezing or A. Theory of mutation 1. Beadle and Tatum coughing. B. Theory of evolution 2. Jacob and Monod 4. It is also spread by eating cooked pork. C. One gene one 3. Darwin Which of the statements given above are correct? enzyme hypothesis (a) 1 and 2 only (b) 1, 2 and 3 only D. Concept of operon 4. de Vries (c) 2, 3 and 4 only (d) 1, 2, 3 and 4 Codes: 74. AIDS is transmitted by A B C D 1. Sexual intercourse (a) 3 4 1 2 2. Blood transfusion (b) 3 4 2 1 3. Mosquitoes and other blood sucking insects (c) 4 3 1 2 4. Across the placenta (d) 4 3 2 1 Select the correct answer from the codes given below: (a) 1, 2 and 3 (b) 1 and 2 (c) 1, 2 and 4 (d) 1, 3 and 4 75. Match List-I with List-II and select the correct 79. Match the List-I with List-II. answer from the codes given below the lists: List-I List-II List-I List-II (Disease) (Prophylaxis) (Diseases) (Organs) A. Tuberculosis 1. Chloramphenicol A. Myxedema 1. Reproductive system B. Diphtheria 2. ATS and DPT vaccines B. Nephrosis 2. Nervous disorder C. Tetanus 3. BCG vaccine C. Paralysis 3. Endocrine gland D. Typhoid 4. DPT vaccine D. Syphilis 4. Excretory system 5. TAB vaccine Codes: Codes: A B C D A B C D (a) 3 4 1 2 (a) 1 2 3 4 (b) 3 4 2 1 (b) 3 4 2 5 (c) 1 2 4 3 (c) 5 3 2 4 (d) 2 1 3 4 (d) 3 4 5 1 76. Consider the following statements: 80. Match List-I with List-II and select the correct 1. Hepatitis-B is several times more infectious answer from the codes given below the lists: than HIV/AIDS. List-I List-II 2. Hepatitis-B can cause liver cancer. A. Leprosy 1. Fungi Which of the statements given above is/are B. Measles 2. Protozoa correct? C. Kala-azar 3. Bacteria (a) 1 only (b) 2 only D. Athlete's foot 4. Virus (c) Both 1 and 2 (d) Neither 1 nor 2 Codes: 77. Match List-I with List-II and select the correct A B C D answer from the codes given below the lists: (a) 1 2 3 4 List-I List-II (b) 2 1 3 4 (Disease) (Cause) (c) 4 3 1 2 A. Khaira 1. Vitamin C deficiency (d) 3 4 2 1 B. Anaemia 2. Iodine deficiency 81. Match List-I with List-II and select the correct C. Goitre 3. Iron deficiency answer from the codes given below the lists: D. Scurvy 4. Zinc deficiency List-I List-II Codes: A. Cardiologist 1. Eye A B C D B. Nephrologist 2. Urinary tract (a) 1 2 3 4 C. Urologist 3. Heart (b) 2 1 4 3 D. Oculist 4. Kidney (c) 3 4 1 2 Codes: (d) 4 3 2 1 A B C D 78. Which of the following are characteristics of (a) 3 4 2 1 diabetes mellitus, a common disease of human (b) 4 3 1 2 beings? (c) 1 2 4 3 1. Increase of sugar in blood (d) 2 1 3 4 2. Appearance of sugar in urine 82. Which one of the following is not correctly 3. Loss of hunger matched? 4. Lack of energy (a) Antipyretic — Paracetamol Which of the statements given above are correct? (b) Antifoaming agent — Polyamides (a) 1 and 2 only (b) 1, 2 and 3 only   silicones (c) 1, 2 and 4 only (d) 1, 2, 3 and 4  (c) Antiseptic — Aspirin 86. Match List-I with List-II and select the correct (d) Antirachitic — Calciferol answer from the codes given below the lists: 83. Match List-I with List-II and select the correct List-I List-II answer from the codes given below the lists: A. Anthrax 1. A disease due to a List-I List-II defective gene (Disease) (Cause) B. Thalassaemia 2. Womb-renting A. Night blindness 1. Vitamin D C. Surrogecy 3. Science of altering B. Rickets 2. Vitamin C genes C. Scurvy 3. Vitamin B D. Transgenics 4. A toxin used by biowarfare D. Beri-beri 4. Vitamin A Codes: Codes: A B C D A B C D (a) 4 1 2 3 (a) 1 2 3 4 (b) 2 3 4 1 (b) 3 4 1 2 (c) 3 2 1 4 (c) 4 1 2 3 (d) 1 2 3 4 (d) 2 3 4 1 87. Which of the following statements is/are correct? 84. Match the following columns 1. Cholera is a disease caused by bacteria. Column I Column II 2. Athlete’s foot is a disease caused by virus. A. Ligament 1. Stores fat Select the correct answer from the codes given B. Tendon 2. Connects bone to bone below: C. Areolar tissue 3. Connects muscle to (a) 1 only (b) 2 only bone (c) Both 1 and 2 (d) Neither 1 nor 2 D. Adipose tissue 4. Forms blood cells 88. Consider the following conditions of a sick 5. Filling tissue human body: Codes: 1. Swollen lymph nodes A B C D 2. Sweating at night (a) 2 3 5 4 3. Loss of memory (b) 2 3 5 1 4. Loss of weight (c) 2 3 1 4 Which of these are symptoms of AIDS? (d) 2 4 5 1 (a) 1 and 2 only 85. Match List-I with List-II and select the correct (b) 2, 3 and 4 only answer from the codes given below the lists: (c) 1, 3 and 4 only List-I List-II (d) 1, 2, 3 and 4 (Disease) (Cause) 89. Which one of the following sets is correctly A. Marasmus 1. Prolonged starvation matched? B. Kwashiorkor 2. Protein deficiency (a) Diphtheria, pneumonia : Hereditary C. T.B. 3. Bacterial infection and leprosy D. Hepatitis B 4. Viral infection (b) AIDS, syphilis and : Bacterial Codes: gonorrhoea A B C D (c) Colour blindness, : Sex linked (a) 1 2 3 4 haemophilia and sickle (b) 2 1 3 4 cell anaemia (c) 4 2 3 1 (d) Polio, Japanese : Nematode (d) 2 4 1 3 encephalitis and plague 90. Consider the following statements and select the C. Encephalitis 3. Muscle correct answer from the codes given below: D. Leukaemia 4. Lymph node Assertion (A): The person with diabetes 5. Blood cells insipidus feels thirsty. Codes: Reason (R): A person with diabetes insipidus A B C D (a) 5 3 2 1 suffers from low secretion of vasopressin. (b) 5 4 2 1 Codes: (c) 5 4 1 2 (a) Both A and R are true and R is the correct (d) 4 3 5 1 explanation of A. 94. Match List-I with List-II and select the correct (b) Both A and R are true, but R is not the correct answer from the codes given below: explanation of A. List-I List-II (c) A is true, but R is false. (Disease) (Organism) (d) A is false, but R is true. A. Malaria 1. Fungi 91. Which of the following are associated with B. Poliomyelitis 2. Bacteria diabetes mellitus, a common disease in adults? C. Tuberculosis 3. Virus 1. Higher sugar level in blood D. Ringworm 4. Protozoan 2. Lower sugar level in blood Codes: 3. Lower insulin level in blood A B C D 4. Higher insulin level in blood (a) 4 3 2 1 Select the correct answer from the codes given (b) 3 4 2 1 below: (c) 3 4 1 2 Codes: (d) 4 3 1 2 (a) 2 and 4 (b) 2 and 3 95. Match List-I with List-II and select the correct (c) 1 and 3 (d) 1 and 2 answer by using the codes given below: 92. Match List-I with List-II and select the correct List-I List-II answer from the codes given below the lists: A. Rhizome 1. Colocasia List-I List-II B. Corm 2. Ginger C. Tuber 3. Potato (Diseases) (Types of diseases) D. Bulb 4. Onion A. Haemophilia 1. Deficiency disease Codes: B. Diabetes 2. Genetic disease A B C D C. Rickets 3. Hormonal disorder (a) 2 1 3 4 D. Ringworm 4. Fungal infection (b) 1 3 4 2 Codes: (c) 3 4 2 1 A B C D (d) 4 2 1 3 (a) 2 3 4 1 96. Consider the following statements: (b) 2 3 1 4 1. Carbon dioxide, chlorophyll and sunlight all (c) 3 2 1 4 are essential for photosynthesis. (d) 3 2 4 1 2. Rate of photosynthesis is minimum in red 93. Match List-I with List-II and select the correct light and maximum in green light. answer from the codes given below: 3. Increase in O2 concentration decreases List-I List-II photosynthesis. A. Malaria 1. Bone marrow Which of the statements given above are correct B. Filaria 2. Brain about photosynthesis?  (a) 1 and 2 (b) 2 and 3 3. Vernalization cannot be replaced by (c) 1 and 3 (d) 1, 2 and 3 gibberellins. 97. Consider the following statements: Which of the statements given above is/are 1. Lateral outgrowth of leaf base is called correct? stipule. (a) 1 only (b) 2 only 2. Leaves with stipules are called as exstipulate (c) 3 only (d) 2 and 3 only leaves. 102. Match List-I with List-II and select the correct 3. Leaves without stipules are called as answer by using the codes given below: stipulate leaves. List-I List-II Which of the statements given above is/are A. Mango 1. Endosperm B. Coconut flesh 2. Mesocarp correct? and water (a) 1, 2 and 3 (b) 1 only C. Litchi 3. Aril (c) 2 and 3 (d) 1 and 3 D. Apple 4. Fleshy thalamus 98. Consider the following statements and choose the Codes: correct ones. A B C D 1. Anthesis is a phenomenon of ripening of (a) 4 3 1 2 fruits. (b) 1 4 2 3 2. Fruits developed without fertilization are (c) 2 1 3 4 parthenocarpic. (d) 1 3 4 2 3. Plants undergo single fertilization event. 103. Consider the following statements: (a) 1 and 2 only (b) 1 only 1. Photolysis of water involves breakdown of (c) 2 only (d) All are correct oxygen by light. 99. Which of the following is not a true statement 2. The specific function of light energy in about chloroplasts and mitochondria? the process of photosynthesis is to activate (a) Each contains a small amount of DNA chlorophyll. (b) Neither are components of the endomem- 3. Byproduct of photosynthesis is carbon brane system dioxide. (c) Both are membrane less organelles Which of the statements given above is/are (d) Mitochondria do not synthesise all their correct? proteins (a) 1 only (b) 2 only 100. Consider the following statements: (c) 3 only (d) 1, 2 and 3 1. During rainy season, wood swells up due to 104. Match the List-I with List-II and choose the imbibition. correct code given below: 2. Excessive supply of fertilizers often causes List - I List-II death of crop plant due to exosmosis. A. Sericulture 1. Bee keeping 3. Water present in soil for the roots of plant is surface water. B. Pisciculture 2. Rearing of silk Which of the statements given above is/are worm correct? C. Apiculture 3. Micropropagation (a) 1 and 2 (b) 2 and 3 D. Tissue culture 4. Fish farming (c) 3 and 4 (d) 1, 2 and 3 Codes: 101. Consider the following statements: A B C D 1. Gibberellins were discovered in rice plants. (a) 2 4 1 3 2. Dwarfness can be controlled by treating the (b) 4 2 3 1 plant with gibberellic acid. (c) 2 4 3 1 (d) 1 2 3 4 105. Match the List-I with List-II and choose the (a) 1 and 3 only (b) 2 only correct code given below: (c) 2 and 3 only (d) 1, 2 and 3 List - I List-II 109. Which of the following is a correct statement A. Largest perennial 1. Wolffia about nitrogen fixation? alga (a) Plants convert atmospheric nitrogen to B. Smallest flowering 2. Macrocystis ammonia. plant (b) Ammonia is converted to N2, which is the C. Living fossil 3. Selaginella form of nitrogen most easily absorbed by D. Rhizophore 4. Ginkgo plants. Codes: (c) Mutant strains of rhizobium are able to A B C D secrete excess protein into the soil. (a) 1 2 3 4 (d) The enzyme nitrogenase reduces N2 to form (b) 2 1 4 3 ammonia. (c) 4 3 2 1 110. Consider the following facts about plants. (d) 2 3 1 4 1. Carbon dioxide and water vapour in plants 106. Consider the following statements and choose the are produced as wastes during respiration. correct ones. 2. Oxygen is produced as a waste during 1. Commensalism can be seen between sea photosynthesis. anemone and pagurus. 3. The gaseous wastes of respiration and 2. Viceroy butterfly mimics monarch butterfly photosynthesis in plants are removed to avoid predation. through the xylem vessels. (a) 1 only (b) 2 only The correct answer is: (c) 1 and 2 only (d) Neither 1 nor 2. (a) 1 and 2 (b) 2and 3 107. Read the following statements and choose the (c) 1 and 3 (d) 1, 2 and 3 correct Codes: 111. Match List-I with List-II and select the correct Assertion (A): Angiosperms have dominated the answer using the codes given below: land flora. List-I List-II Reason (R): Angiosperms are highly adaptable A. Barleycorn 1. Wine in diverse habits. B. Corn 2. Beer Codes: C. Grapes 3. Whisky (a) Both A and R are correct and R is the correct D. Molasses 4. Rum explanation of A. Codes: (b) Both A and R are true, but R is not the correct A B C D explanation of A. (a) 3 1 4 2 (c) A is true, but R is false. (b) 4 2 3 1 (d) A is false, but R is true. (c) 2 3 1 4 108. Vaseline was applied to both surfaces of the (d) 1 4 2 3 leaves of a plant. Which of the following process/ 112. Match List-I with List-II and select the correct processes would be affected? answer by using the codes given below: 1. Photosynthesis List-I List-II 2. Respiration A. Respiratory root 1. Orchids 3. Transpiration B. Fasiculated root 2. Piper betle Select the correct answer using the codes given C. Climbing root 3. Dahlia below: D. Epiphytic root 4. Rhizophora  Codes: 116. Consider the following statements: A B C D 1. Camphor (a) 1 2 3 4 2. Chicory (b) 3 1 4 2 3. Vanilla (c) 4 1 2 3 Which of the above is/are correct plant product? (d) 2 3 4 1 (a) 1 and 2 (b) 3 only 113. Consider the following statements and select the (c) 2 and 3 (d) 1, 2 and 3 correct answer from the codes given below: 117. Consider the following statements: Assertion (A): Mendel worked on garden pea. 1. Bisexual flowers contain both male and Reason (R): Garden pea belongs to the family female reproductive organs. Malvaceae. 2. Unisexual flowers have only one essential Codes: floral whorl either androecium or gynoecium. (a) Both A and R are true and R is the correct 3. Flowers having only male reproductive explanation of A. structure are called pistillate flowers. (b) Both A and R are true, but R is not the correct 4. Flowers having only female reproductive part explanation of A. are called staminate flowers. (c) A is true, but R is false. Which of the statements given above is/are (d) A is false, but R is true. correct? 114. Match List-I with List-II and select the correct (a) 1 only (b) 2 only answer by using the codes given below: (c) 1 and 2 (d) 1, 2, 3 and 4 List-I List-II 118. Consider the following statements: (Family) (Example) 1. Largest family of flowering plants is A. Solanaceae 1. Radish Malvaceae. B. Malvaceae 2. Onion 2. Agaricaceae includes mushrooms. C. Liliaceae 3. Cotton Which of the statements given above is/are D. Cruciferae 4. Potato correct? Codes: (a) 1 only (b) 2 only A B C D (c) Both 1 and 2 (d) Neither 1 nor 2 (a) 4 3 2 1 119. Consider the following statements (b) 2 1 4 3 1. Pulmonary artery is the only artery in which (c) 3 2 1 4 the impure blood is circulated from heart to (d) 1 4 3 2 lungs. 115. Consider the following statements: 2. Pulmonary vein is the only artery in which 1. Androecium and gynoecium are reproductive the pure blood is circulated from lungs to organs of flower. heart. 2. Calyx and corolla are accessory female 3. Deoxygenated blood is circulated in the reproductive organs of a flower. arteries. Which of the statements given above is/are Which of the above statements is/are correct? correct? (a) 1 only (b) 3 only (a) 1 only (b) 2 only (c) 1 and 2 only (d) 1, 2 and 3 (c) Both 1 and 2 (d) Neither 1 nor 2 120. Match List-I with List-II and select the correct 123. Consider the following statements: answer from the codes given below: 1. Femur is the smallest bone in the human List-I List-II body. A. Father of circulatory 1. Stephen Hales 2. Stapes is the longest bone in the human system body. B. Father of plant 2. William Harvey 3. Enamel is the hardest part of the human physiology body. C. Coined the term 3. Karl Landsteiner Which of the statements given above is/are ‘Genera’ correct? D. Discovered various 4. John Ray (a) 1 and 2 only blood groups (b) 2 and 3 only Codes: (c) 3 only A B C D (d) All of the above (a) 1 4 3 2 124. Consider the following statements: (b) 2 3 1 4 1. The virus was discovered by Ivanovski. (c) 2 1 4 3 2. The bacteria were discovered by Rudolf (d) 4 3 1 2 Virchow. 121. Consider the following statements: 3. The cell theory was proposed by Schleiden Assertion (A): Arteries carry blood from various and Schwann. body organs to heart. Which of the statements given above is/are Reason (R): Veins carry blood from heart to correct? various body organs. (a) 1 and 2 (b) 2 and 3 Codes: (c) 1 and 3 (d) 1, 2 and 3 (a) Both A and R are true and R is the correct 125. Match List-I with List-II and select the correct explanation of A. answer using the codes given below: (b) Both A and R are true, but R is not the correct List-I List-II explanation of A. (Sugar) (Source) (c) A is true, but R is false. A. Cellulose 1. Honey (d) Both A and R are false. B. Fructose 2. Sugarcane 122. Match List-I with List-II and select the correct C. Maltose 3. Cotton wool answer from the codes given below: D. Sucrose 4. Disaccharide List-I List-II Codes: (Blood group) (Antibody) A B C D A. A 1. anti-B B. B 2. anti-A (a) 1 2 3 4 C. A B 3. None (b) 3 1 4 2 D. O 4. Both anti-A and anti-B (c) 2 3 4 1 Codes: (d) 4 1 2 3 A B C D 126. Match the following casual agents and the disease (a) 1 2 3 4 they cause in plants. (b) 4 3 2 1 List-I List-II (c) 4 2 3 1 A. Xanthomonas spp. 1. Bacterial leaf (d) 3 4 2 1 blight of rice B. Magnoporthe grisea 2. Citrus canker C. Phytophthora infestans 3. Blast of rice D. Xanthomonas 4. Blight of potato axonopodis or late blight  Codes: 131. Match the following plants with the drugs they A B C D yield. (a) 4 3 2 1 List-I List-II (b) 1 3 4 2 (Plants) (Drugs) (c) 3 1 2 4 A. Papaver somniferum 1. Quinine (d) 1 4 2 3 B. Cinchona officinalis 2. Isabgol 127. Consider the following statements and choose the C. Withania somnifera 3. Ashwagandha correct ones. D. Plantago ovata 4. Opium 1. Flavr savr is a genetically modified tomato Codes: that remains fresh and flavourful for longer A B C D than normal tomato. (a) 2 4 3 1 2. This GM tomato has blocked the enzyme (b) 3 2 4 1 polygalacturonase. (c) 1 2 3 4 3. This enzyme is responsible for cell wall (d) 4 3 1 2 formation. 132. Which of the following is not a correct statement? (a) 1 only (b) 2 only (a) Prophyra, laminaria and sargassum are (c) 1 and 2 (d) 1, 2 and 3 edible algae. 128. Consider the following statements: (b) Agar-agar is obtained from Gelidium and 1. Cambium is responsible for the secondary Gracilaria. growth. (c) Algin is obtained from red algae, while 2. Cork is obtained from apical meristem. carrageenin from brown algae. 3. Vascular cambium and cork cambium are (d) Chlorella and Spirulina are unicellular algae the examples of lateral meristem. rich in protein. Which of the statements given above is/are 133. Which of the following statements are correct correct? about the functions of the blood? (a) 1 only (b) 2 only 1. Transportation of oxygen. (c) 1 and 3 (d) 1, 2 and 3 2. Transportation of hormones. 129. Consider the following statements and choose the 3. Control of body temperature. correct ones. 4. Excessive bleeding. 1. Hirudin, an anticoagulant protein, is obtained Codes: from Brassica napus. (a) 1 and 2 only (b) 3 and 4 only 2. Pyrethrin is an insecticide obtained from (c) 1, 2 and 3 (d) 1, 2, 3 and 4 floral heads of Vincia rosea. 134. Consider the following statements: 3. Tissue culture technique is based on the Assertion (A): All the proteins in our food are totipotency. digested in small intestine only. (a) 1 and 2 only (b) 1 and 3 only Reason (R): The protein-digesting enzymes (c) 2 and 3 only (d) All are correct from pancreas are released into small intestine. 130. Consider the following statements and choose the Codes: correct ones. (a) Both A and R are true and R is the correct 1. Loose smut of wheat is caused by Puccinia explanation of A. graminis. (b) Both A and R are true, but R is not the correct 2. Father of Indian mycology and plant explanation of A. pathology is E.J. Butler. (c) A is true, but R is false. (a) 1 only (b) 2 only (d) A is false, but R is true. (c) Both 1 and 2 (d) Neither 1 or 2 135. Consider the following statements and select the 139. Match List-I with List-II and select the correct correct answer from the codes given below: answer from the codes given below: 1. In DNA, the base adenine, guanine, thymine List-I List-II and cytosine are found. (Organisms) (Scientific name) 2. The nucleus contains all the DNAs of a cell. A. Man 1. Homo sapiens 3. In RNA, thymine is replaced with uracil. B. Cat 2. Felis domestica 4. RNA is mainly found to be in the cytoplasm. C. Cow 3. Bos indicus Codes: D. Dog 4. Canis familiaris (a) 1, 2 and 3 (b) 2 and 3 only Codes: (c) 1 and 4 only (d) 1, 2, 3 and 4 A B C D 136. Match List-I with List-II and select the correct (a) 1 2 3 4 answer from the codes given below: (b) 1 3 2 4 List-I List-II (c) 4 3 2 1 (Organisms)    (Chromosomes in pairs) (d) 3 4 1 2 A. Human 1. 6 (= 12) 140. Match List-I with List-II and select the correct B. Housefly 2. 23 (= 46) answer from the codes given below: C. Mosquito 3. 39 (= 78) List-I List-II D. Dog 4. 3 (= 6) A. Testosterone 1. Sedative drug Codes: B. Codeine 2. Indian rubber A B C D C. Caoutchouc 3. Aromatic oil of clove (a) 1 2 3 4 D. Eugenol 4. Hormone (b) 4 3 2 1 Codes: (c) 3 4 1 2 A B C D (d) 4 3 1 2 (a) 4 1 2 3 137. With reference to the animal cell, which of the (b) 1 2 3 4 following statements are correct? (c) 4 3 2 1 1. There is no cell wall in animal cell but the (d) 2 3 4 1 cell is covered by plasma membrane. 141. Match List-I (generic name) with List-II 2. Chlorophyll is not found in animal cells. (scientific name) correctly and select the correct 3. Lysosome occurs in plant cells. answer from the codes given below: 4. Almost in all animal cells, centrioles exist. List-I List-II Codes: A. Buffalo 1. Caprine (a) 2 and 3 only (b) 1, 2 and 3 only B. Sheep 2. Ovine (c) 1, 2 and 4 (d) All of the above C. Goat 3. Bovine 138. Consider the following statements with reference D. Horse 4. Equine to human body: Codes: 1. The common bile duct releases its contents A B C D into stomach. (a) 1 2 3 4 2. The pancreatic duct releases its contents into (b) 3 2 1 4 duodenum. (c) 4 2 1 3 Which of the statements given above is/are (d) 2 1 3 4 correct? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2 142. Match List-I with List-II and select the correct Codes: answer from the codes given below: A B C D List-I List-II (a) 1 2 3 4 (Wildlife species) (Scientific names) (b) 2 1 4 3 A. Asiatic wild 1. Boselaphus (c) 3 2 1 4 ass tragocamelus (d) 4 1 1 2 B. Barasingha 2. Rucervus duvaucelii 146. Consider the following statements: C. Chinkara 3. Equus hemionus 1. Beans are richer source of proteins than khur potatoes. D. Nilgai 4. Gazella bennettii 2. Apples are richer source of carbohydrates Codes: than bananas. A B C D Which of the statements given above is/are (a) 2 3 1 4 correct ? (b) 3 2 4 1 (a) 1 only (b) 2 only (c) 2 3 4 1 (c) Both 1 and 2 (d) Neither 1 nor 2 147. Consider the following statements : (d) 3 2 1 4 1. In algae, the reproductive organs are single- 143. Match List-I with List-II and select the correct answer from the codes given below: celled. List-I List-II 2. Fern plants lack true vascular system. A. Indian buffalo 1. Tallest Which of the statements given above is/are B. Tamaraw buffalo 2. Dwarf smallest correct ? C. Anoa buffalo 3. Dwarf (a) Only 1 (b) Only 2 D. Cape buffalo 4. Medium (c) Both 1 and 2 (d) Neither 1 nor 2 Codes: 148. Which of the following statements about sexual A B C D reproduction in flowering plants are correct ? (a) 1 2 3 4 1. Stamen is present in the centre of a flower. (b) 4 3 2 1 2. Stamen produces pollen grains in the ovary. (c) 1 3 4 2 3. The swollen bottom part of carpel is the (d) 4 1 3 2 ovary. 144. Consider the following statements: 4. The fusion of germ cells gives rise to zygote. 1. Toothless mammals, such as pangolins, are Select the correct answer using the code given below. not found in India. (a) 2, 3 and 4 only (b) 2 and 4 only 2. Gibbon is the only ape found in India. (c) 1 and 3 only (d) 1, 2, 3 and 4 only Which of the statements given above is/are 149. Consider the following statements : correct? 1. Different plant species grow together. (a) 1 only (b) 2 only 2. Light cannot penetrate into the lower strata (c) Both 1 and 2 (d) Neither 1 nor 2 full of undergrowth. 145. Match List-I (cattle) with List-II (type) which Which of the following types of vegetation is contains related elements and select the correct characterised by the above ? answer from the codes given below: (a) Equatorial moist evergreen List-I List-II (b) Tropical deciduous A. Long-horned cattle 1. Gir type (c) Mediterranean B. Long ear cattle 2. Mysore type (d) Warm temperate broad leaved deciduous C. Danny cattle 3. Dwarf type D. Himalyan cattle 4. Danny type 150. With regard to animal breeding, which one 153. Statement I : Oxidation in our body cells releases among the following is not correct? dangerous free radicals. (a) In-breeding: Mating of more closely related Statement II : Our body itself produces animals within the same breed for 1 – 2 antioxidants to neutralise harmful free radicals. generations 154. Statement I : Red blood cells burst when placed (b) Out- breeding : Breeding of unrelated in water. animals of the same breed without common Statement II : Due to the phenomenon of ancestors for 4 – 6 generations osmosis water enters into red blood cells. (c) Cross- breeding: Superior males of one 155. Consider the following statements regarding breed are mated with superior females of osmosis in animal cells : another breed 1. If the water potential of the solution (d) Out- crossing: Offspring is called an ‘out- surrounding the cell is too high, the cell cross’ shrinks. 151. Consider the following statements regarding the 2. If the water potential of the solution recent global outbreak of ‘Swine flu’ surrounding the cell is too low, the cell I. The agent of infection is not well identified swells and bursts. II. The risk is higher in those who consume 3. It is important to maintain a constant water pork potential inside the animal body. III. It has a propensity to spread from contact 4. In animal cells, water potential far exceeds with an infected person the solute potential. IV. Absence of an effective treatment or vaccine Which of the statements given above is/are makes it risk for a global pandemic correct? Which of the statements given above is/are (a) 1 and 2 (b) 3 only correct? (c) 4 only (d) 2 and 3 (a) I, II and IV (b) III and IV 156. The following question consist of two statements, (c) II and III (d) III only one labelled as the Assertion (A) and the other 152. Balanced diet should have approximately as ‘Reason (R), You are to examine these two (a) 1/5 protein, 3/5 fat and 1/5 carbohydrate statements carefully and select the answers to (b) 3/5 protein, 1/5 fat and 1/5 carbohydrate these items using the codes given below: (c) 1/5 protein, 1/5 fat and 3/5 carbohydrate Assertion (A) : Though carbohydrates are (d) 1/2 protein, 1/4 fat and 1/4 carbohydrate covalent compounds, they are soluble in water. Directions (Qs. 153-154) : The next four (04) items Reason (R) : Compounds which form hydrogen consist of two statements, statement I and statement bond with water are generally soluble in water. II. You are to examine these two statements carefully (a) Both A and R are individually true and R is and select the answers to these items using the code the correct explanation of A given below. (b) Both A and R are individually true but R is Code : NOT the correct explanation of A (a) Both the statements are individually true and (c) A is true but R is false statement II is the correct explanation of statement (d) A is false but R is true I (b) Both the statements are individually true but statement II is not the correct explanation of statement I (c) Statement I is true but statement II is false (d) Statement I is false but statement II is true 157. Match list-I (Name of the crop) with list-II 163. The following statements are pertaining to green (Name of the high yielding variety), and select revolution in India : the correct answer using the codes given below Green revolution is most successful in the area the list : of: List-I List-II (1) Controlled and assured source of irrigation (Crop) (High yielding variety) (2) Where chemical fertilizer (NPK) is adequately applied A. Maize 1. Arjun (3) Where hydel power is adequately available B. Paddy 2. Jaya (4) Where farmers are more receptive to C. Wheat 3. Ranjit innovation Select the correct answer using the codes given Codes : below : A B C A B C (a) 1, 2 and 3 (b) 1, 2 and 4 (a) 1 2 3 (b) 2 3 1 (c) 1, 3 and 4 (d) 1, 2, 3 and 4 (c) 3 2 1 (d) 3 1 2 164. Consider the following respiratory pigments : 158. With reference to human nutrition consider the (1) Haemoglobin (2) Haemocyanin following statements : (3) Haemoerythrin (3) Haemocynoglobin (1) Banana is richer source of carbohydrates Iron is contained in : than apples (a) 1, 2, 3 and 4 (b) 1 and 3 (2) Banana contains some amount of protein (c) 1 and 2 (d) 1, 2 and 4 also Directions (Qs. 165 & 166) : The following questions (3) Spinach has no protein at all consists of two statements one labelled Assertion (A) (4) Potatoes are richer sources of protein than and the other labelled Reason (R). Select the correct peas answers to these questions from the codes given below: Which of the above statements are correct ? (a) Both A and R are true and R is the correct (a) 1 and 2 (b) 2, 3 and 4 explanation of A (b) 1, 3 and 4 (d) 1, 2, 3 and 4 (b) Both A and R are true but R is not correct 159. Cow milk is a rich source of : explanation of A (a) Vitamin A (b) Vitamin B (c) A is true but R is false (c) Vitamin C (d) Vitamin D (d) A is false but R is true 160. The only snake that builds its nest is : 165. Assertion (A) : Bacterial chromosome is highly (a) Krait (b) King cobra folded. (c) Chain viper (d) Saw scaled viper Reason (R) : The bacterial chromosome lacks 161. Consider the following statements : the histone proteins. (1) Heart is three chambered in fishes 166. Assertion (A) : Conifers flourish in the cold (2) Heart is four chambered in birds zones of north. (3) All animals of class amphibia are Reason (R) : Evergreen conifers can carry out characterised by two pairs of limbs photosynthesis even in short days. (4) In all reptiles respiration is by lungs only 167. Which of the following is represented by X in Which of the above statements are correct ? figure ? (a) 1, 2, 3 and 4 (b) 1 and 3 (c) 2 and 4 (d) 2, 3 and 4 DNA → C G A T C G C T 162. Artificial insemination involves the use of : ||| ||| || || ||| ||| ||| || (a) Natural semen and natural diluent m-RNA  →G C X A G C G A (b) Natural semen and artificial diluent (a) Adenine (b) Guanine (c) Artificial semen and natural diluent (c) Uracil (d) Thimine (d) Artificial semen and artificial diluent 168. Match list-I (Name of the plant) with list-II (Seed 175. Thermoregulation in mammals is a balance of dispersal mechanism) and select the correct heat gain and heat loss. All of the following can answer using the codes given below the lists : affect both heat gain and heat loss except List-I List-II (a) activity of the sweat glands (Name of the plant) (Seed dispersal (b) thickness of the fat layer under the skin mechanism) (c) air movements near the body surface A. Coconut 1. By animals (d) blood flow in the skin B. Drumstick 2. Explosive 176. When a person, after a certain degree of exertion, mechanism suffers from pain in the chest or below the collar C. Coklebur (Xanthium) 3. By water bones, in the events of inadequate supply of D. Castor 4. By wind oxygen to the heart muscles, he is said to suffer Codes : from A B C D A B C D (a) coronary thrombosis (a) 2 1 4 3 (b) 2 4 1 3 (b) myocardial infarction (c) 3 4 1 2 (d) 3 1 4 2 (c) angina pectoris 169. The yellow colour of urine is due to the presence (d) arteriosclerosis of : 177. Unwanted sound creates noise pollution, and its (a) Bile (b) Lymph unit is decibel (db). Prolonged exposure of noise (c) Cholesterol (d) Urochrome level of how many db may gradually lead to 170. SA-node of mammalian heart is known as : permanent loss of hearing ability ? (a) Autoregulator (b) Pace-maker (a) 40 db (b) 60 db (c) Time controller (d) Beat regulator (c) 80 db (d) 100 db 171. A drop of blood contains. 178. What happens each day when the leaf of a plant is (a) about 10,000 cells first exposed to light ? (b) about 100,000 cells (a) the epidermal cells on the upper surface of (c) several million cells the leaf begin to photosynthesize. (d) less than 25,000 cells (b) carbon dioxide diffuses out of the leaf. 172. Acupuncture is a medical system of treatment in (c) the cells of the spongy mesophyll begin to which take up carbon dioxide, and are the only (a) herbs are used to relieve pain cells that are ab