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GENERAL SCIENCE BIOLOGY IN 71 80

71.       Presbyopia is a visual defect caused by

a)      Elongation of the eye ball

b)      Shortened curvature of the eye lens

c)       Weakening of the culinary muscles

d)      Gradually increasing flexibility of the eye lens.

72.       Which one among the following animals does not undergo periodic molting of their external body covering?

a)      Cockroach

b)      Cobra

c)       Earthworm

d)      Dragonfly

73.       Which one among the following organs in humans is not involved in elicitation of immune response?

a)      Thymus

b)      Brain

c)       spleen

d)      Lymph nodes

74.       From which part of turmeric, is the turmeric powder obtained?

a)      Dried rhizome

b)      Dried root

c)       Dried fruit

d)      Seed

75.       Which one among the following substances is never excreted out through urine under normal circumstance in any healthy individual?

a)      Urea

b)      Sodium

c)       Amino acid

d)      Potassium

76.       Which one among the following animals gives birth to the biggest baby?

a)      Elephant

b)      Rhinoceros

c)       Blue whale

d)      Hippopotamus

77.       Muscles of which one among the following body parts contract slowly, but can remain contracted for a loner time?

a)      Face

b)      Arms

c)       Intestine

d)      Legs

78.       Solutions of three enzymes were prepared namely lipase, try sin and amylase, in order to remove stains from a piece of cloth. Out of these three enzyme solutions, only lipase could completely remove the stain. This indicates that the stain was due to.

a)      Oil

b)      Protein

c)       Mixture of potein and oil

d)      Starch containing plant pigment

79.       Which one among the following diseases is not caused by polluted water?

a)      Dysentery

b)      Jaundice

c)       Typhoid

d)      Tuberculosis

80.   Which one among the following animals is a mammal?

a)      Great Indian Bustard

b)      Gharial

c)       Platypus

d)      Hornbill

ANSWERS

71.C
72.C
73.B
74.A
75.C
76.C
77.A
78.A
79.D

80.C