Peripheral Nervous System

Q. Which of the following statements is/are correct about receptors?

1. Tongue receptors detect taste while nose receptors detect smell.
2. Both, tongue and nose receptors detect smell.
3. Tongue receptors detect smell while nose receptors detect taste.
4. Both tongue and nose receptors detect taste.

Q. Which of the following receptors help us perceive the flavour of food?

1. Gustatory receptors
2. Olfactory receptors
3. Photoreceptors
4. Thermoreceptors

Q. Central nervous system consists of

1. Brain
2. Spinal cord
3. Nerves and ganglia
4. Both A and B

Q.

Mention the number of cranial and spinal nerves in man.