The number of cranial and spinal nerves in a human being are respectively :

1. 31, 12 pairs
2. 32, 21 pairs
3. 12, 31 pairs
4. 31, 21 pairs

Which part of the brain controls the posture of our body?

1. Cerebrum
2. Medulla oblongata
3. Cerebellum
4. Pons

Nissl's granules are found in the cytoplasm of :

1. Cyton of nerve cells
2. Neurilemma
3. Axon of nerve cells
4. Myelin sheath

The thin delicate middle layer of meninges is termed as :

1. Choroid
2. Dura mater
3. Arachnoid
4. Pia mater