- 1(current)
Q. No.| Column I | Column II |
| A. Peripheral neural system | P. Comprises of all nerves associated with brain and spinal cord |
| B. Somatic neural system | Q. Relays impulses from CNS to skeletal muscles |
| C. Visceral neural system | R. Transmits impulse from CNS to involuntary organs and smooth muscles |
| D. Autonomic neural system | S. Part of PNS where impulses travel from CNS to the viscera and from the viscera to the CNS |
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | R | S | P |
| 3. | R | S | P | Q |
| 4. | S | P | Q | R |
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| Column I | Column II | ||
| A | Multipolar neuron | P | Embryonic stage |
| B | Bipolar neuron | Q | Retina |
| C | Unipolar neuron | R | Cerebral cortex |
| A | B | C | |
| 1. | P | Q | R |
| 2. | Q | R | P |
| 3. | R | Q | P |
| 4. | R | P | Q |
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I: Myelinated nerve fibres are enveloped with Schwann cells, which form a myelin sheath around the axon.
II: Unmyelinated nerve fibre is not enclosed by a Schwann cell or a myelin sheath.
III: Myelinated nerve fibres are found in spinal and cranial nerves.
IV: Unmyelinated nerve fibres are commonly found in autonomous and somatic neural systems.
| 1. Only II is incorrect | 2. I and II are correct |
| 3. III and IV are incorrect | 4. All are correct |
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Myelin sheath around the axons in the PNS is secreted by:
| 1. oligodendrocytes | 2. axons |
| 3. Schwann cells | 4. ependymal |
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The afferent neuron receives signal from a sensory organ and transmits the impulse to the CNS via:
1. Dorsal root of the spinal nerve
2. Ventral root of the spinal nerve
3. Cranial nerve
4. Intermediolateral horn of spinal cord grey mater
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Identify the correct statement regarding the sections of the spinal cord shown in the given diagram:
I. A and D are part of the grey mater
II. B is motor and C is sensory
| 1. Only I | 2. Only II |
| 3. Both I and II | 4. Neither I nor II |
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Olfactory epithelium extends directly into which of the following extensions of the brain’s limbic system?
| 1. Amygdala | 2. Olfactory lobe |
| 3. Septum | 4. Hippocampus |
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The olfactory bulb can be regarded as the extension of:
| 1. Brain stem | 2. Limbic system |
| 3. Diencephalon | 4. Corpora quadrigemina |
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- 1(current)
Q. No.
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