47. The number of bines in human body is:
a) 200
b) 202
c) 204
d) 206
e) None of these.
48. Nervous system in human consists of:
a) Brain and spinal cord.
b) Brain and nerves.
c) Spinal cord and nerves.
d) Brain, spinal cord and nerves.
e) None of these.
49. In human eye, the light sensitive layer made of specializes nerve cells, rods and cones is called as:
a) The pupil
b) The cornea
c) The sclera
d) The iris
e) The retina.
50. Erythrocytes are also called as:
a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma
e) None of these
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