Peripheral Nervous System

Q.

Cerebrum is a part of

1. Forebrain

2. Midbrain

3. Hind brain

4. Neuron

Q. What does peripheral nervous system consist of? Where does it originate from? [2 MARKS]

Q.

The ___________ receives, processes, interprets and stores information coming from senses and sends out the messages destined for the effector. The __________ handles its input and output.

1. CNS and peripheral nervous system

2. sympathetic and parasympathetic nervous system

3. peripheral nervous system and CNS

4. CNS and various body organs

Q. Axons of neurons bundle up to form _________.

1. glial cells
2. nerve
3. dendron
4. myelin sheath

Q.

Identify the incorrect statement(s) regarding the components of PNS.

I. The nerves carrying impulses from CNS to peripheral system are sensory nerves or afferent nerves.

II. The nerves carrying impulses from peripheral system to CNS are motor nerves or efferent nerves.

III. Afferent nerves bring in impulses from the auditory, visual and touch receptors.

IV. Efferent nerves coordinates impulses towards effector organs.

1. II and IV

2. III and IV

3. I and II

4. I and III

Q. The peripheral nervous system is subdivided into the

1. Somatic nervous system
2. Autonomic nervous system
3. Central nervous system
4. None of these

Q.

The ___________ receives, processes, interprets and stores information coming from senses. The __________ handles its input and output.

1. CNS, PNS

2. PNS, CNS

3. ANS, CNS

4. SNS, PNS

Q.

Identify the incorrect statement(s).

I. The nerves carrying impulses from CNS to peripheral system are Sensory nerves or Afferent nerves

II. The nerves carrying impulses from peripheral system to CNS are Motor nerves or Afferent nerves

III. Sensory system coordinates auditory, visual, touch receptors etc.

IV. Motor system coordinates impulses towards effector organs.

1. I and II

2. III and IV

3. I and III

4. II and IV

Q.

How many pairs of cranial and spinal nerves are present in human body which constitute peripheral nervous system?

1. 24 cranial and 31 spinal

2. 12 cranial and 31 spinal

3. 24 cranial and 64 spinal

4. 24 cranial and 66 spinal

Q. Peripheral nervous system comprises of?

1. Cranial nerves and spinal nerves
2. Autonomic nervous system only
3. Cranial nerves
4. Spinal nerves

Q.

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

1. Both tongue and nose receptors detect taste.

2. Tongue receptors detect smell while nose receptors detect taste.

3. Both, tongue and nose receptors detect smell.

4. Tongue receptors detect taste while nose receptors detect smell.