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Neural Control and Coordination

Short Answer Type

131. Answer Briefly
(c) How does the eye regulate the amount of light that falls on the retina ?

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Multiple Choice Questions

132. The region of the vertebrate eye, where the optic nerve passes out of the retina is called the

Fovea
Iris
Blind spot
Optic chaisma

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Short Answer Type

133. Write short notes on the following
(b) Fore brain.

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134. Write short notes on the following
(c) mid brain.

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135. Write short notes on hind brain.

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136. Write short notes on organ of corti .

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Long Answer Type

137. Explain the following processes:
Tranmission of a nerve impulse across a chemical synapse.

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Short Answer Type

138.

Compare the following

Central neural system(CNS) and peripheral neural system(PNS).

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139. Compare the resting potential and action potenial.

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140. Compare the choroid and retina.

Choroid :
1.It is middle coat of eye ball.
2. It is pigmented connected tissue.
3. Such layers absent
4. Absent
5. It is vascular

Retina :
1. It is inner coat of eye ball.
2. It’s outer layer has pigmented epithelium.
3. It has rods and cones bipolar nerve cells and ganglion cells.
4. It has yellow and blind spots
5. It is sensory.

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