Which of the following statements are true regarding
association areas of brain?

A. These are the largest areas of forebrain.

B. These are involved in the regulation of sexual
behaviour, expression of emotional reactions
and motivation.

C. These are responsible for complex functions like
intersensory association, memory and
communication.

D. It is a part of cerebral cortex.

1. A & B 

2. A, B & C

3. A, C & D 

4. A & C

Select the incorrect statement:

Which of the following structures or regions is
incorrectly paired with its function?

1. limbic system—screening of information between
the spinal cord and the brain; regulates arousal
and sleep

2. medulla oblongata—homeostatic control center

3. cerebellum—unconscious coordination of
movement and balance

4. corpus callosum—band of fibers connecting left
and right cerebral hemispheres

Receptor sites for neurotransmitters are located on the:

1. tips of axons

2. axon membranes in the regions of the nodes of Ranvier

3. postsynaptic membrane

4. presynaptic membrane

Mark the incorrect match:

Read all statements carefully and identify the number of correct ones:

(a) Neural system provides an organised network of point-to-point connections for quick coordination.

(b) Impulse transmission across a chemical synapse is always faster than that across an electrical synapse.

(c) Cerebral aqueduct passes through the midbrain.

(d) The hypothalamus contains centers that control respiration and gastric secretions.

1. One

2. Two

3. Three

4. Four

Restoration of resting potential of the membrane at the site of excitation is achieved by:-

1. Diffusion of K${}^{+}$ outside the membrane
2. Diffusion of Na${}^{+}$ outside the membrane
3. Diffusion of K${}^{+}$ inside the membrane
4. Diffusion of Na${}^{+}$ inside the membrane

The "sodium-potassium pump" pumps ______.
1. sodium ions out and potassium ions in
2. sodium ions in and potassium ions out
3. sodium and potassium ions in
4. sodium and potassium ions out

Which of the following is/are controlled by the human brain ?

a. Balance of the body

b. Circadian rhythm of the body

c. Human behaviour

d. Functioning of heart and kidneys

1. Only d

2. a and d

3. a,b and c

4. a,b,c,d

In chemical synapse, postsynaptic membrane receptor
binds with
1. Excitatory neurotransmitter.
2. Inhibitory neurotransmitter.
3. Ca⁺⁺ ions.
4. Both 1 and 2