2014 AIMPT - Biology


1. Which one of the following shows isogamy with non – flagellated gamets ?




2. Five kingdom system of classification suggested by R.H. Whittaker is not based on




3. Which one of the following fungi contains hallucinogens ?




4. Archaebacteria differ from eubacteria in




5. Which one of the following is wrong about chara?




6. Which of the following is responsible for peat formation ?




7. Placenta and pericarp are both edible portions in




8. When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as




9. You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?




10. Which one of the following statement is correct ?




11. Tracherids differ from other tracheray elements in




12. An example of edible underground stem is




13. Which structure perform the function of mitochondria in bacteria?




14. The solid linear cyroskeltal elements having a diameter of 6 nm and made up of a single type of monomer are known as




15. The osmotic expansion of a cell kept in water is chiefly regulated by




16. During which phase (s) of cell cycle, amound of DNA in a cell remains at 4C level if the intial amount is denoted as 2C?




17. Match the following and select the correct answer :
(a)CentrioleIInfoldings in mitochondria
(b)ChlorophyllIIThaylakoids
(c)CristaeIIINucleic acids
(d)RibozymesIVbasal body cilia or flagella





18. Dr.F went noted that if coleptile were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly- cut – coleptile stumps. Of what significance is this experiment ?




19. Deficiency symotoms of nitrogen and potassium are visible first in




20. In which one of the following processes CO2 is not released ?




21. Anoxygric photosynthesis Is characterstics of




22. A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become while – coloured like alinos. Which of the following terms will you use to describe them?




23. Which one of the following growth regulators is known as ‘stress hormone’?




24. Geitonogamy involves




25. Male gametophyte with least number of cells is present in




26. An aggregate fruit is one which develops from




27. Pollen tablets are available in tha market for




28. Function of filiform apparatus is to




29. Non – albuminous seed is produced in




30. Which of the following shows coiled RNA strand and capsomers ?




31. Which one of the following is wrongely matched




32. Transoformation was discovered by




33. Fruit colour in squash is an example of




34. Viruses here




35. The first human hormone produced by recombinant DNA technology is




36. An analysis of chromosomal DNA using the southern hybridization technique does not use




37. In vitro propagation in plants is characterized by




38. An alga which can be employed as food for human being is




39. Which vector can clone only small fragment of DNA ?




40. An example of ex situ conservation is




41. A location with luxuriant growth of lichens on the trees indicates that the




42. Match the following and select the correct option:
(a)EarthwormIPioneer species
(b)SuccessionIIDetritivore
(c)Ecosystem serviceIIINatality
(d)Population growthIVPollination





43. A species facing exrtremely high risk of extinction in the immediate fucture is called




44. The zone of atmosphere in which the ozone layer is present is called




45. The organization which publishes the Red list of species is




46. Select the Taxon mentioned that represents both marine and fresh water species




47. Which one of the following living organisms completely lacks of cells wall ?




48. Planaria posses high capacity of




49. A marine cartilaginous fish that can produce electric current is




50. Choose the correctly matched pair




51. Choose the correctly matched pair:




52. In ‘s’ pahse of the cell cycle




53. The motile bacteria are able to move by




54. Select the option which is not correct with respect to enzyme action




55. Which one of the following is a non – reducing carbohydrate?




56. The enzyme recombines is required at which stage of meiosis




57. The intial step in the digestion of milk in human is carried out by ?




58. Fructose is abosorbed bed into the blood through mucosa cells of intenstine by the process called




59. Approximately seventy percent of carbon – dioxide absorbed by the blood will be transported to the lungs




60. Person with blood group AB is considered as universal recipient because he has




61. How do parasympathetic neural signals affect the working of the heart ?




62. Which of the following causes an increase in sodium reasorption in te distal convoluted tubule ?




63. Select the correct matching of the type of the joint with the example in human skeletal system :
Type of jointExample
(1)Carilaginous joint-Between frontal and paraiental
(2)Pivot joint-Between third and fourth cervical Vertebrae
(3)Hinge joint-Between humerus and pectoral girdle
(4)Gliding joint-Between carpals





64. Stimulation of a muscle fiber by a motor neuron occurs at




65. Injury localized to the hypothalamus would most likely disrupt




66. Which one of the following statements is not correct ?




67. Identify the hormone with its correct matching of source and function




68. Fight – or – flight reactions cause activation of




69. The shared terminal duct of the reproductive and urinary system in the human male is




70. The main function of mammalian corpus luteum is to produce




71. Select the correct option describing gonadotropin activity in a normal pregnant female




72. Tubectomy is a method of sterilization in which




73. Which of the following is a hormone releasing intra Uterine Device (IUD)




74. Assisted reproductive technology, IVF involves transfer of




75. A man whose father was colur blind marries a woman who had a colour bline mother and normal father. What percentage of male children of this couple will be colour blind ?




76. In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa the and the remaining 160 to aa. Based on this date, the frequency of allele a in the population is




77. A human female with Turner’s syndrome




78. Select the correct option :
Direction of RNA SynthesisDirection of reading of the template DNA strand
(1)5’ – 3’3’ – 5’
(2)3’ – 5’5’ – 3’
(3)5’ – 3’5’ – 3’
(4)3’ – 5’3’ – 5’





79. Commonly used vectors for human genome sequencing are




80. Forelimbs of cat, lizard used in walking forelimbs of whale used n swimming and forelimbs of bats used in flying are an example of




81. Which one of the following are analogues structures ?




82. Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown below?






83. At which stage of HIV infection does one usually show symtoms of AIDS ?




84. To obtain virus – free healthy plants from a diseased one by tissue culture techinique, which part/parts of the diseased plant will be taken?




85. What gases are produced in anaerobic sludge digesters ?




86. Just as a person moving from Delhi to shimla to escape the heat for the duration of hot summer, thousands of migratory birds from siberia and other extremely cold northern regions move to




87.


Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D) identify the blanks.






88.


Given below is the representation of the extent of global diversity of invertebrates. What groups the four portions (A-D) represent respectively?






89. A scrubber in the exhaust of a chemical industrial plant removes




90. If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?

`Plant -> mice -> snake -> peacock`




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