Assertion: Neural signals through the parasympathetic nerves can increase the cardiac output.

Reason: Parasympathetic neurons stimulation can increase the activities of SA node and strength
             of ventricular contraction.

1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
3. If the assertion is true but the reason is false
4. If both the assertion and reason are false

Assertion: Ear is a stato Acoustic organ.

Reason: Ear is related to hearing & balance.

An action potential for a given axon is:
1. different in size each time it occurs
2. always the same size
3. larger when the information is to be carried faster
4. smaller when information goes to a gland rather than a muscle

Area of the brain, most involved in maintaining the body's homeostasis, is:
1. medulla oblongata
2. cerebellum
3. pons
4. hypothalamus

Cerebral aqueduct passes through the:
1. Mid brain
2. Diencephalon
3. Hind brain
4. Spinal cord

Which of the following statements is correct?

Vertebrate brain differentiates from:

1. endoderm

2. mesoderm

3. ectoderm

4. blastoderm

The junction between the axon of one neuron and the dendrite of the next is called:

1. junction point

2. a synapse

3. a joint

4. constant bridge

Which cranial nerve has the highest number of branches?

1. Facial nerve

2. Trigeminal

3. Vagus nerve

4. None of these

In the central nervous system, myelinated fibres form the............., while the non-myelinated fibre cells form the.................... .

1. Grey matter, white matter

2. White matter, grey matter

3. Ependymal cells, neurosecretory cells

4. Neurosecretory cells, ependymal cells