E-PolyLearning

56. Response of passive immunity is
a. slow
b. gradual
c. immediate
d. hard
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Answer: (c).immediate

57. Heart of an amphibian has three chambers i.e.
a. 2 ventricles and 1 auricle
b. 2 auricles and 1 ventricle
c. 3 ventriles and no auricle
d. 3 auricles and no ventricle
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Answer: (b).2 auricles and 1 ventricle

58. Hemorrhage occurs when walls of arteries become hard and lose their
a. permeability
b. elasticity
c. fluids
d. turgidity
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Answer: (b).elasticity

59. Formation of thrombus in heart can lead to
a. heart burning
b. heart attack
c. heart blockage
d. heart failure
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Answer: (b).heart attack

60. Original volume of cell wall is restored after removal of
a. water
b. salts
c. carbondioxide
d. nutrients
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Answer: (a).water