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AIPMT Biology 1996


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AIPMT Biology 1996

  1. 1. aipmt–Past papers<br />BIOLOGY- UNSOLVED PAPER - 1996<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 />The ornithine cycle removes two waste products from the blood in liver. These products are <br />CO2 and ammonia <br />Ammonia and uric acid <br />CO2 and urea <br />Ammonia and urea. <br />
  4. 4. Problem<br />02<br />Antibodies are produced by<br />Leucocytes <br />Monocytes<br />Lymphocytes<br />Spleen. <br />
  5. 5. Problem<br />03<br />When a muscle bends one part upon the other, it is called <br /> <br />Abductor <br />Regulator <br />Extremor<br />Flexor. <br />
  6. 6. Problem<br />04<br />In C4 plants, CO2 fixation is done by <br /> <br /> <br />Sclerenchyma<br />Chlorenchyma and hypodermis <br />Mesophyll cells <br />Gurad cells. <br />
  7. 7. Problem<br />05<br />Radio –tracer technique shows that DNA is in <br /> <br />Multi-helix stage<br />Single –helix stage<br /> double –helix stage <br />None of these.<br />
  8. 8. Problem<br />06<br />The formation of canal systems in sponges is due to <br /> <br />Folding of inner walls<br />Gastro-vascular system <br />Reproduction <br />Porous walls.<br />
  9. 9. Problem<br />07<br />Lungs are enclosed in<br />Peritoneum <br />Perichondrium<br />Pericardium <br />Pleural membrane.<br />
  10. 10. Problem<br />08<br />AIDS disease was first reported in <br /> <br />USA<br />France<br />Russia<br />Germany<br />
  11. 11. Problem<br />09<br />When on molecule of ATP is disintegrated, what amount of energy is liberated? <br /> <br />8 kcal <br />38 kcal <br />7 kcal <br />4.5 kcal<br />
  12. 12. Problem<br />10<br />Which of the following is common among mammals?<br /> <br />They go no molting <br />They have seven cervical vertebrae <br />They are carnivores<br />They have ventral nerve cord<br />
  13. 13. Problem<br />11<br />The animals of cold countries have relatively shorter and poorly developed ears, eyes, hairs and other phenotypic characters. This is known by which law?<br /> <br />Cope’s Law<br />Dollo’s Law<br />Allen’s Law<br />Bergamann’s Law.<br />
  14. 14. Problem<br />12<br />When two dominant independently assorting genes react with each other, they are called <br /> <br />Collaborative genes<br />Complementary genes<br />Duplicate genes<br />Supplementary genes.<br /> <br />
  15. 15. Problem<br />13<br />The maximum formation of m-RNA occurs in <br /> <br />Ribosome<br />Nucleoplasm<br />Cytoplasm <br />Nucleolus.<br /> <br />
  16. 16. Problem<br />14<br />What of the following constitutes natural silk?<br /> <br />Nitrogen <br />Acetyl Co-A<br />Potassium <br />Phosphorus. <br />
  17. 17. Problem<br />15<br />At the end of glycolysis, six carbon compound ultimately changes into <br /> <br />Ethyl alcohol <br />Acetyl Co-A<br />Pyruvic acid <br />ATP.<br />
  18. 18. Problem<br />16<br />Which purine base is found in RNA ?<br /> <br />Thymine <br />Uracil<br />Cytosine <br />Guanine.<br /> <br />
  19. 19. Problem<br />17<br />A genetically diseased father (male ) marries with a normal female and and gives birth to 3 carrier girls and 5 normal sons. It may be which type of genetically disease?<br /> <br />Sex-influenced disease<br />Blood group inheritance disease <br />Sex-linked disease <br />Sex-recessive disease. <br />
  20. 20. Problem<br />18<br />When 1500 ml air is in the lungs, it is called <br /> <br />Residual volume <br />Inspiratory reserve volume <br />Vital capacity <br />Tidal volume. <br /> <br />
  21. 21. Problem<br />19<br />The interferon's are <br /> <br />Antigen proteins <br />Antiviral proteins <br />Antibiotic proteins <br />All of these <br />
  22. 22. Problem<br />20<br />A person whose father is colour blind marries a lady whose mother is daughter of a colour blind man. Their children will be <br /> <br />All sons colour blind<br />Some sons normal and some colour blind <br />All colour blind.<br />All daughter normal<br />
  23. 23. Problem<br />21<br />The modern idea about ageing is that our body slowly loses the power of defense against the invasion of germs and pathogens. This process starts by the disappearance of which organ?<br /> <br />Pituitary gland<br />Spleen<br />Thymus gland <br />Parathyroid gland.<br />
  24. 24. Problem<br />22<br />How the transport of O2 and CO2 by blood happens?<br /> <br />With the help of WBCs and blood serum <br />With the help of platelets and corpuscles <br />With the help of RBCs and blood plasma <br />With the help of RBCs and WBCs<br />
  25. 25. Problem<br />23<br />The nephridia in earthworm are analogous to <br /> <br />Nematoblasts of Hydra <br />Flame cells of planaria<br />Gills of Prawn <br />Trachea of insects.<br />
  26. 26. Problem<br />24<br />Pneumatic bone is found in <br /> <br />Shark <br />Rana<br />Pigeon <br />Whale. <br />
  27. 27. Problem<br />25<br />The test tube baby means <br /> <br />Fertiliztion & development both in uterus <br />Fertilization in vitor & then transplantation in uterus <br />A baby grown in test tube <br />Fertilized and developed embryo in test tube. <br /> <br />
  28. 28. Problem<br />26<br />Coelom is found between the cavity of<br />Body wall and ectoderm <br />Ectoderm and endoderm<br />Mesoderm and body wall (endoderm )<br />Mesoderm and ectoderm.<br />
  29. 29. Problem<br />27<br />By which nervous system and of what type, the blood is supplied into visceral organs?<br /> <br />Both SNS and PNS, involuntary ?<br />Para-sympathetic nervous system , involuntary <br />Sympathetic nervous system, involuntary <br />Sympathetic nervous system, involuntary<br />
  30. 30. Problem<br />28<br />When scientists make an animal superior by view of genotype, introducing some foreign genes in it, is called <br /> <br />Immunization <br />Genetic engineering <br />Tissue culture <br />Biotechnology<br />
  31. 31. Problem<br />29<br />The first hormone artificially produced by culturing bacteria is <br /> <br />Testosterone <br />Adrenalin <br />Insulin <br />Thyroxin.<br /> <br />
  32. 32. Problem<br />30<br />High cholesterol patients are advised to use <br /> <br />Ghee, butter and oils <br />Groundnut oil, margarine and vegetable oils<br />Fatty oil and butter <br />Cheese, dalda and ghee.<br />
  33. 33. Problem<br />31<br />Which hormone stimulates the secretion of milk from female ?<br /> <br />Oxytocin<br />Progesterone <br />LH<br />Prolactin.<br />
  34. 34. Problem<br />32<br />In which of the following disease, the man has an extra X-chromosome ?<br /> <br />Turner’s syndrome <br />Klinfelter’s syndrome <br />Bleeder’s disease <br />Down’s syndrome<br />
  35. 35. Problem<br />33<br />What are the mostly diversed molecules in the cell ?<br /> <br />Lipids <br />Mineral salts <br />Proteins <br />Carbohydrates.<br />
  36. 36. Problem<br />34<br />Pasteurization is a process, which means heating of drinks. It is carried out, at what temperature and for how much duration?<br /> <br />700C and 60 minutes <br />800C and 30 minutes<br />1200C and 60 minutes<br />60-700C and 30 minutes.<br />
  37. 37. Problem<br />35<br />When an animal has both the characters of male and female, it is called <br /> <br />Super female <br />Super male <br />Intersex <br />Gynandromorph.<br />
  38. 38. Problem<br />36<br />Which of the following changes for man in the course of evolution is probably useless ?<br /> <br />Development of being erect <br />Development of cranial capacity <br />Loss of tail <br />Development of opposable thumb <br />
  39. 39. Problem<br />37<br />Which of the following is the direct ancestor of Homo sapiens?<br /> <br />Australopithecus <br />H .sapiens Neanderthals <br />Homoerectus<br />Ramapithecus.<br />
  40. 40. Problem<br />38<br />Which of the following is the correct group of vestigial organs in man?<br />Nictitating membrane, ear muscles, eyelids and coccyx <br />Appendix, coccyx, ear muscles and elbow joint <br />Wisdom tooth, coccyx, body hair and ear muscles <br />Wisdom tooth, body hairs, nictitating membrane and vermiform appendix .<br />
  41. 41. Problem<br />39<br />Which of the following statement is without exception for sponges?<br /> <br />They all have calcareous spicules<br />They have high regenerative power <br />They are found only in marine water <br />They are all radially symmetric <br />
  42. 42. Problem<br />40<br />H.J.Muller had received Nobel Prize for <br /> <br />His studies on Drosophila for genetic study <br />Proving that the DNA is a genetic material <br />Discovering the linkage of genes <br />Discovering the induced mutations by X-rays .<br />
  43. 43. Problem<br />41<br />Which of the following is the false statement about “antibiotics”?<br /> <br />Some persons have allergy from antibiotics <br />Antibiotics are capable of curing any disease <br />This term was given by Waksman in 1942 <br />Antibiotics is produced by microorganisms .<br />
  44. 44. Problem<br />42<br />Passive immunity was discovered by <br /> <br />Jonas E. Salk <br />A Flemming<br />Edward Jenner <br />L. Pasteur.<br />
  45. 45. Problem<br />43<br />Pellagra disease is caused by <br /> <br />Niacin <br />Tocopherol<br />Riboflavin <br />Folic acid <br />
  46. 46. Problem<br />44<br />In which of the following groups all are polysaccharides?<br /> <br />Sucrose, glucose and fructose <br />Maltose, lactose and fructose <br />Glycogen, sucrose and maltose <br />Glycogen, cellulose and starch<br />
  47. 47. Problem<br />45<br />Choose the correct enzyme-substrate pair <br /> <br />Carbohydrates-lipase <br />Maltase-lactose <br />Rennin-caesin<br />Protein-amylase.<br />
  48. 48. Problem<br />46<br />Which of the following fish is introduced by India by foreigners?<br /> <br />Mystussinghala<br />Clariusbatrachus<br />Labeorohita<br />Pomphret.<br />
  49. 49. Problem<br />47<br />Which of the following pair of diseases is caused by virus?<br />Rabies, mumps <br />Cholera, tuberculosis <br />Typhoid, tetanus <br />AIDS, syphilis<br />
  50. 50. Problem<br />48<br />Identify the correctly matched pair <br /> <br />Corbett park – Aves <br />Runn of Kutch – Wild ass <br />Gir forest – Rhino<br />Kajiranga – Elephant<br />
  51. 51. Problem<br />49<br />Which vertebrate organ receives only oxygenated blood?<br /> <br />Spleen <br />Liver <br />Gill <br />Lung.<br />
  52. 52. Problem<br />50<br />Now a days cornea transplantation is very popular. The reason is that, it <br /> <br />Can be easily obtained <br />Does not link blood supply and immune system <br />Is easy to preserve <br />Is transplants very easily.<br />
  53. 53. Problem<br />51<br />The true statement about ‘green – house effect’ is that it is <br /> <br />Caused by combination of many gases <br />Caused only by CO2<br />Caused by CO2, CFC, CH4 and NO2 gases<br />None of these<br />
  54. 54. Problem<br />52<br />BGA (blue green algae) are included in which of the following groups?<br />Bryophytes <br />Prokaryotes <br />Protista<br />Fungi.<br />
  55. 55. Problem<br />53<br />Maximum absorption of light occurs in the region of <br /> <br />1000 – 1200 nm<br />1500 – 2000 nm<br />400 – 700 nm<br />700 – 900 nm.<br />
  56. 56. 54<br />Problem<br />Which one of the following elements is almost non-essential for plants?<br /> <br />Zn<br />Na<br />Ca<br />Mo.<br />
  57. 57. 01<br />Problem<br />The ornithine cycle removes two waste products from the blood in liver. These products are <br />CO2 and ammonia <br />Ammonia and uric acid <br />CO2 and urea <br />Ammonia and urea. <br />
  58. 58. Problem<br />.<br />55<br />The polygenic genes show <br />Different karyotypes<br />Different genotypes<br />Different phenotypes<br />None of these .<br />
  59. 59. Problem<br />56<br />If there are 4 cells in anthers, what will be the number of pollen grains?<br /> <br />16<br />12<br />8<br />4.<br />
  60. 60. Problem<br />57<br />A gymnosperm leaf carries 16 chromosomes. The number of chromosomes in its endosperm will be <br />12<br />8<br />16<br />24. <br />
  61. 61. Problem<br />.<br />58<br />Cochineal insects have proved very useful for <br />Cactus prevention<br />Eicchornia prevention<br />Weeds control<br />Pathenium control. <br />
  62. 62. Problem<br />59<br />When a natural predator ( living being) is applied on the other pathogen organism to control them. This process is called <br />Artificial control<br />Confusion technique<br />Biological control<br />Genetic engineering.<br />
  63. 63. Problem<br />60<br />Which of the following products are obtained by anaerobic respiration from yeast? <br />Bear and wine<br />Alcohols<br />CO2<br />All of these .<br />
  64. 64. Problem<br />61<br />Colchicines is an inhibitory chemical, which <br />Stops the functioning of centriole<br />Prevents attaching of centromeres with rays<br />Prevents the spindle formation in mitosis<br />Prevents the formation of equatorial plane.<br />
  65. 65. Problem<br />62<br />Identify the one, which causes mutation<br /> <br />Cosmic rays<br />Colchicines<br />Crossing over<br />X-rays.<br />
  66. 66. Problem<br />63<br />Benthonic animals are those, which <br />Are submerged in area<br />Float on the sea surface<br />Are deep dweller in sea<br />Are floating (free) organisms .<br />
  67. 67. Problem<br />64<br />Lamp brush chromosomes are seen in which typical stage? <br />Mitotic metaphase<br />Meiotic prophase<br />Mitotic anaphase<br />Mitotic prophase.<br />
  68. 68. Problem<br />65<br />Which country has the greatest contribution for the hole formation in ozone layer?  <br />Russia<br />Japan<br />USA<br />Germany<br />
  69. 69. Problem<br />66<br />The term ‘Meiosis’ was given by<br />A Fleming<br />Farmer and Moore<br />Johansen<br />Knoll and Ruska.<br />
  70. 70. Problem<br />67<br />Lysosomes are rich in<br /> <br />Nucleic acids<br />Hydrolytic enzymes<br />Carbohydrates<br />Hormones. <br />
  71. 71. Problem<br />68<br />The role of double fertilization in angiosperms is to produce<br /> <br />Cotyledons<br />Endocarp<br />Endosperm<br />Hormones.<br />
  72. 72. Problem<br />69<br />When paternal and maternal chromosomes change their materials with each other in cell division this event is called<br /> <br />Bivalent-forming<br />Dyad-forming<br />Synapsis<br />Crossing-over.<br />
  73. 73. Problem<br />70<br />2, 4-D is an effective<br /> <br />Rodenticide<br />Wormicide<br />Fungicide<br />Weedicide.<br />
  74. 74. Problem<br />71<br />In C4 plants, CO2 combines with<br /> <br />Phosphoenalpyruvate<br />Phoshoglyceraldeyhde<br />Phosphoglyceric acid<br />Ribulosediphosphate.<br />
  75. 75. Problem<br />72<br />What is the genetic material in influenza virus?<br /> <br />Double helical DNA<br />RNA<br />Single helix DNA<br />None of these .<br />
  76. 76. Problem<br />73<br />Which is a typical example of ‘feed back inhibition’?<br />Cyanide and cytochrome reaction<br />Sulpha drugs and folic acid synthesizer bacteria<br />Allosteric inhibition of hexokinase by glucose 6-phosphate<br />Reaction between succinicdehydrogenase and succinicaicd<br />
  77. 77. Problem<br />74<br />Which type of DNA is found in bacteria?<br />Circular free DNA<br />Membrane bound DNA<br />Straight DNA<br />Helical DNA. <br />
  78. 78. Problem<br />75<br />What are the sex organs provided in some bacteria?<br /> <br />Sex pili<br />Plasmid<br />Circular DNA<br />Gametes.<br />
  79. 79. Problem<br />76<br />Mycorrhiza is correctly described as <br />Parasitic association between roots and some fungi<br />Symbiotic relationship between fungi and roots of some higher plants<br />Symbiosis of algae and fungi<br />Relation of ants with the stem of some trees<br />
  80. 80. Problem<br />77<br />Which of the following serves as an terminal codon?<br /> <br />UAG<br />AGA<br />AUG<br />GCG.<br />
  81. 81. Problem<br />78<br />Improvement of human race by controlled selective breeding between individual with desirable characteristics is called <br />Inbreeding<br />Euthenics<br />Eugenics<br />None of these .<br />
  82. 82. Problem<br />79<br />The breeding place of Flamingo (Hansawar) in India is most likely<br /> <br />Runn of Kutch<br />Ghana Vihar<br />Sambhar lake<br />Chilka lake.<br />
  83. 83. Problem<br />80<br />Which of the following is a ‘true fruit’? <br />Banana<br />Fig<br />Apple<br />Pear.<br />
  84. 84. Problem<br />81<br />Which of the following statement about lichens is wrong?<br /> <br />These grow very rapidly (2 cm per day)<br />They show fungal and algal symbiotic relationships<br />Some of its species are eaten by reindeers<br />These are pollution indicators.<br />
  85. 85. Problem<br />82<br />When water enters in roots due to diffusion, is termed as<br /> <br />Osmosis<br />Passive absorption<br />Endocytosis<br />Active absorption.<br />
  86. 86. Problem<br />83<br />If we uncover half of the forest, covering of the earth, what crisis will be<br /> produced at most and at first? <br />Some species will be extricated<br />Population and ecological imbalance will rise up<br />Energy crisis will occur<br />Rest half forests will maintain this imbalance<br />
  87. 87. Problem<br />84<br />The ‘niche’ of a species is meant for<br />Habitat and specific functions of a species<br />Specific place where an organism lives<br />Specific species function & its competitive power<br />None of these .<br />
  88. 88. Problem<br />85<br />Tube feet are the characteristic structures of<br />Starfish<br />Jellyfish<br />Crayfish<br />Cuttlefish <br />
  89. 89. Problem<br />86<br />The two great industrial tragedies namely, MIC and Chernobyl tragedies respectively occurred where and at which time? <br />Bhopal 1984, Ukrain 1986<br />Bhopal 1986, Russia 1988<br />Bhopal 1984, Ukrain 1990<br />Bhopal 1984, Ukrain 1988.<br />
  90. 90. Problem<br />87<br />Azotobacter and Bacillus polymyxa are the examples of<br /> <br />Pathogenic bacteria<br />Decomposers<br />Symbiotic N2 fixer<br />Non-symbiotic N2 fixer .<br />
  91. 91. Problem<br />88<br />Elaters mechanism for spore dispersal is exhibited by <br />Liverworts<br />Marchantia<br />Riccia<br />Funaria.<br />
  92. 92. Problem<br />89<br />Which of the following is an example of ‘living fossils’? <br />Pinus<br />Riccia<br />Gnetum<br />Ginkgo.<br />
  93. 93. Problem<br />90<br />Coir is the commercial product of coconut’s<br />Endocarp<br />Endosperm<br />Pericarp<br />Mesocarp.<br />
  94. 94. Problem<br />91<br />Which of the following is not true about ‘sclerieds’? <br />These are groups of living cells<br />These are found in nut shells, guava pulp, pear<br />These are also called stone cells<br />These are form of sclerenchyma with fibers.<br />
  95. 95. Problem<br />92<br />Which of the following plant kingdom is called ‘amphibians’?  <br />Pteridophyta<br />Thallophyta<br />Tracheophyta<br />Bryophyta.<br />
  96. 96. Problem<br />93<br />Which typical stage is known for DNA replication?<br /> <br />S-phase<br />G2-phase<br />Metaphase<br />G1-phase.<br />
  97. 97. Problem<br />94<br />The correct sequence for the manufacture of the gases on the primitive earth is <br />NH3, nucleic acid, protein and carbohydrate<br />Protein, carbohydrate, water and nucleic acid<br />NH3, protein, carbohydrate and nucleic acid<br />NH3, water, nucleic acid and protein .<br />
  98. 98. Problem<br />95<br />Photorespiration is favored by <br />High temperature and low O2<br />High humidity and temperature<br />High O2 and low CO2<br />High CO2 and low O2.<br />
  99. 99. Problem<br />96<br />The first domesticated animal by primitive man was <br />Cat<br />Cow<br />Dog<br />Horse.<br />
  100. 100. Problem<br />97<br />The law of limiting factors’ was proposed by<br /> <br />Liebig<br />Hatch and Slack<br />Blackman<br />Armon. <br />
  101. 101. Problem<br />98<br />The smallest plant family ‘Gymnosperms’ has how many species?<br /> <br />640<br />300<br />1000<br />900.<br />
  102. 102. Problem<br />99<br />What will be the number of Calvin cycles to generate one molecule of hexose?<br /> <br />8<br />9<br />4<br />6.<br />
  103. 103. Problem<br />100<br />The 10% energy transfer law of food chain was given by<br /> <br />Lindemann<br />Transley<br />Stanley<br />Weismann.<br />
  104. 104. For solution visit<br />