AFMC Biology 1998


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  • AFMC Biology 1998

    1. 1. aFMC–Past papers<br />BIOLOGY- UNSOLVED PAPER - 1998<br />
    2. 2. SECTION – I (Total Marks : 50)<br />Single Correct Answer Type<br />There are five parts in this question. Four choices are given for each part and one of them is correct. Indicate you choice of the correct answer for each part in your answer-book by writing the letter (a), (b), (c) or (d) whichever is appropriate<br />
    3. 3. 01<br />Problem<br />A fruit having an endocarp with sub-epidermal juice sacs or hair on the inner side of its locules, a spongy white mesocarp and leathery epicarp having oil glands, is called<br />Pome<br />Pepo<br />Drupe<br />Hesperidium<br />
    4. 4. Problem<br />02<br />An orthotropous ovule is one, in which micropyle and chalaza are<br />At right angles to funicle<br />Parallel to the funicle<br />In straight line of funicle<br />Parallel along with ovule.<br />
    5. 5. Problem<br />03<br />Vascular bundle in which the protoxylem is pointing to the peirphery is called<br />Endarch<br />Exarch<br />Radial<br />Closed<br />
    6. 6. Problem<br />04<br />Which type of DNA is found in bacteria?<br />Straight DNA<br />Helical DNA<br />Circular free DNA<br />Membrane bound DNA.<br />
    7. 7. Problem<br />05<br />Which one of the following techniques other than microscopy is used for the study of cell?<br />Plasmolysis<br />Maceration<br />Chromatography<br />Auto-radiography<br />
    8. 8. Problem<br />06<br />In a food chain the total amount of living material is depicted by<br />Pyramid of energy<br />Pyramid of numbers<br />Pyramid of biomass<br />All of these<br />
    9. 9. Problem<br />07<br />Girdling experiment cannot be performed in sugarcane, because<br />It cannot withstand injury<br />Vascular bundles in it are scattered<br />Phloem in it are situated internal to xylem<br />Sugarcane plants are too delicate.<br />
    10. 10. Problem<br />08<br />Mitochondria perform all of the following functions except<br />Nucleic acid synthesis<br />Steroid synthesis<br />ATP synthesis<br />Polysaccharide degradation<br />
    11. 11. Problem<br />09<br />What happens in Photo system-II (pigment system)?<br />C02 fixation<br />C02 reduction<br />Photolysis of H20<br />All of these<br />
    12. 12. Problem<br />10<br />Opium is obtained from<br />Oryza sativa<br />Coffeaarabica<br />Theasinesis<br />Papaversomniferum<br />
    13. 13. Problem<br />11<br />In submerged plants, the stomata lie on<br />Upper surface<br />Lower surface<br />Not on any surface<br />Equally on both surfaces<br />
    14. 14. Problem<br />12<br />Quarantine regulation are concerned with<br />Spraying of diseased plants with insecticide<br />Prevention of entry of diseased plants in country<br />Growing or entry of diseased plants in country<br />Promotion of dry farming in sandy soil<br />
    15. 15. Problem<br />13<br />The hormone, which controls cell division and cell differentiation, is<br />ABA<br />Auxin<br />Gibberellins<br />Cytokinin<br />
    16. 16. Problem<br />14<br />The lichens represent symbiotic relationship between<br />Algae and fungi<br />Viruses and algae<br />Algae and bacteria<br />Viruses and bacteria<br />
    17. 17. Problem<br />15<br />Thigmotropism is best exhibited by<br />Root apex<br />Tendrils<br />Thorns<br />Lamina<br />
    18. 18. Problem<br />16<br />Dichotomous branching is found in<br />Funaria<br />Fern<br />Marchantia<br />Liverworts<br />
    19. 19. Problem<br />17<br />Pyramid of energy in a pond ecosystem is always<br />Inverted<br />Upright only<br />Irregular<br />Linear<br />
    20. 20. Problem<br />18<br />Fluid mosaic model of cell membrane was given by<br />Beadle and Tatum<br />Singer and Nicolson<br />Watson and Crick<br />Robertson and Miller<br />
    21. 21. Problem<br />19<br />Loss of water from the tips of leaves is called<br />Guttation<br />Transpiration<br />Respiration<br />Bleeding<br />
    22. 22. Problem<br />20<br />Which of the following fibres is not a plant product?<br />Hemp<br />Cotton<br />Flax<br />Silk<br />
    23. 23. Problem<br />21<br />The process in which DNA of a bacterial cell is iransfered into another bacterial cell by virus is called<br />Transduction<br />Transformation<br />Conjugation<br />Reproduction<br />
    24. 24. Problem<br />22<br />In Funaria, the number of peristomial teeth is<br />6<br />16<br />10<br />32.<br />
    25. 25. Problem<br />23<br />Symbiotic nitrogen fixation in root nodules of some leguminous plants is caused by<br />Rhizobium<br />Azotobacter<br />Nitrobacter<br />Nitrosomonas<br />
    26. 26. Problem<br />24<br />Spore of Funaria, on germination, gives<br />Protonema<br />Vegetative body<br />Antheridia<br />Archegonia<br />
    27. 27. Problem<br />25<br />When phloem and cambium are present on both sides of xylem, the vascular bundle is called<br />Bicollateral<br />Radial<br />Concentric<br />Collateral<br />
    28. 28. Problem<br />26<br />Brunner's glands are present in<br />Esophagus<br />Duodenum<br />Ileum<br />Stomach<br />
    29. 29. Problem<br />27<br />Which of the following is the smallest taxonomic group of animals having a cranium, vertebral column, ventral heart, pulmonary respiration and 2 pairs of legs?<br />Vertebrat<br />Chordata<br />Tetrapoda<br />Gnathostomata<br />
    30. 30. Problem<br />28<br />Population explosion has occurred in the last<br />500 years<br />300 years<br />100 years<br />50 years.<br />
    31. 31. Problem<br />29<br />The function of iris in the eyes of a frog is to<br />Move the nictitating membrane<br />Alter the size of the pupil<br />Move the lens forward and backward<br />Refraction of light rays<br />
    32. 32. Problem<br />30<br />Excessive consumption of ethanol causes damage to<br />The liver<br />The kidneys<br />The lungs<br />The heart<br />
    33. 33. Problem<br />31<br />The sporozoites of Plasmodium vivax are formed in<br />Gametocytes<br />Sporoblasts<br />Oocysts<br />Spores<br />
    34. 34. Problem<br />32<br />The contraction of the heart of frog commences from<br />Sinus venosus<br />Right auricle<br />Left auricle<br />Interauricular septum<br />
    35. 35. Problem<br />33<br />Which cranial nerve supplies the heart muscles?<br />Vagus<br />Facial<br />Auditory<br />Trochlear<br />
    36. 36. Problem<br />34<br />In human beings, which hormone acts as a mild growth hormone?<br />Prolactin<br />Estrogen<br />Progesterone<br />Cortisol<br />
    37. 37. Problem<br />35<br />In human beings, multiple genes are involved in the inheritance of<br />Colourblindness<br />Phenylketonuria<br />Sickle cell anaemia<br />Skin colour<br />
    38. 38. Problem<br />36<br />36<br />Hemophilia is a genetic disorder, in which<br />Blood fails to coagulate after an injury<br />There is delayed coagulation of blood<br />Blood clots in blood vessels<br />Blood cell count falls<br />
    39. 39. Problem<br />37<br />Mammalian brain differs from an amphibian brain in possessing<br />Olfactory lobe<br />Cerebellum<br />Hypothalamus<br />Corpus callosum<br />
    40. 40. Problem<br />38<br />Aversion canal is<br />Found in all the bones<br />Found only in compact human bones<br />Canal system found in alimentary canal<br />None of these<br />
    41. 41. Problem<br />39<br />Connecting link between reptiles and birds is<br />Dimetrodon<br />Dodo<br />Archaeopteryx<br />Sphenodon<br />
    42. 42. Problem<br />40<br />Erythrocytes of adult rabbit and other mammals are formed in<br />Kidney<br />Liver<br />Spleen<br />Bone marrow<br />
    43. 43. Problem<br />41<br />The zone of atmosphere that lies near the ground is<br />Troposphere<br />Stratosphere<br />Hemisphere<br />All of these<br />
    44. 44. Problem<br />42<br />Ornithine cycle is found in<br />Kidney<br />Liver<br />Heart<br />Muscles<br />
    45. 45. Problem<br />43<br />Last electron receptor in respiration is<br />CO2<br />O2<br />H2<br />NADH<br />
    46. 46. Problem<br />44<br />Third cleavage of frog's development is<br />Equatorial<br />Vertical<br />Latitudinal<br />None of these<br />
    47. 47. Problem<br />45<br />Which of the following is called emergency gland of the body?<br />Pituitary<br />Thymus<br />Adrenal<br />Testis<br />
    48. 48. Problem<br />46<br />The blood of cockroach contains no respiratory pigment. It means that<br />Cockroach does not respire<br />Respiration is anaerobic<br />O2 goes directly into tissues by diffusion<br />O2 goes into tissue by intracellular capillary system.<br />
    49. 49. Problem<br />47<br />In Amoeba, NH3 is excreted by<br />Plasma membrane<br />Contractile Vacuole<br />Food vacuole<br />All of these<br />
    50. 50. Problem<br />48<br />The thickening of walls of arteries are called<br />Aneurysm<br />Arteriosclerosis<br />Arthritis<br />Both (a) and (c)<br />
    51. 51. Problem<br />49<br />Who discovered the cell (actually the cell wall) in section of cork?<br />Schwann<br />Schneider<br />Robert Hooke<br />Leeuwenhoek<br />
    52. 52. Problem<br />50<br />Which of the following is not found in birds?<br />Pectoral girdle<br />Pelvic girdle<br />Shigella<br />Giardia<br />
    53. 53. For solution visit<br />