Biological Questionnaire

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PMT QUESTION PAPER 2009 51. The bacterium Bacillus thuringiensis is widely used in contemporary biology as (1) Indicator of water pollution (2) Insecticide

(3) Agent for production of dairy products (4) Source of industrial enzyme Sol. (2)
52. Chipko movement was launched for the protection of
(1) Grasslands (2) Forests (3) Livestock (4) Wet lands
Sol. (2)
53. A health disorder that results from the deficiency of thyroxine in adults and characterized by (i) a low metabolic rate, (ii)increase in body weight and (iii) tendency to retain water in tissues is (1) Hypothyroidism (2) Simple goitre (3) Myxoedema (4) Cretinism Sol. (3)

54. Elbow joint is an example of
(1) Pivot joint (2) Hinge joint (3) Gliding joint (4) Ball and socket joint Sol. (2)
55. The correct sequence of plants in a hydrosere is
(1) Oak – Lantana – Scirpus – Pistia – hydrilla - Volvox (2) Volvox – Hydrilla – Pistia – Scirpus – Lantana - oak (3) Pistia – Volvox – Scirpus – hydrilla – Oak – Lantana (4) Oak – Lantana – Volvox – Hydrilla – Pistia - Scirpus Sol. (2)

56. Mannitol is the stored food in
(1) Chara (2) Porphyra (3) Fucus (4) Gracillaria
Sol. (3)
57. The epithelial tissue present on the inner surface of bronchioles and fallopian tubes is (1) Cuboidal (2) Glandular (3) Ciliated (4) Squamous
Sol. (3)
58. Which one of the following pairs of food components in humans reaches the stomach totally undigested (1) Protein and starch (2) Fat and starch (3) Fat and cellulose (4) Starch and cellulose Sol. (3)

59. Uric acid is the chief nitrogenous component of the excretory products of (1) Man (2) Earthworm (3) Cockroach (4) Frog
Sol. (3)
60. Which one of the following groups of animals is bilaterally symmetrical and triploblastic (1) Coelenterates (Cnidarians) (2) Aschelminthes (round worms) (3) Ctenophores (4) Sponges
Sol. (2)
61. Tiger is not a resident in which one of the...
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