Central Nervous System

Q. The formation of cell plate occurs in ________ manner.

1. none of these
2. both centripetal and centrifugal manner
3. centripetal manner
4. centrifugal manner

Q.

The (1)__ is the most important structure that acts as a relay between the body and the brain. It extends from (2)__ to the lower backbone. It has (3)__ matter in inner surface and (4)__ matter in the periphery.

1. (1)Medulla (2)Spinal cord (3) White (4)Grey

2. (1)Spinalcord (2)Medulla (3)Grey (4)White

3. (1)Grey (2)White (3)Spinal cord (4)Medulla

4. (1)White (2)Grey (3)Medulla (4)Spinal cord

Q.

The central nervous system consists of the brain and spinal cord.

1. True
2. False

Q. The substances which are retained in the interstitium of medullary region of kidneys to increase its osmolarity are

1. $K^{+}\text{and}N{a}^{+}$
2. Glucose and uric acid
3. Urea and NaCl
4. Urea and uric acid