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Which of the following statement(s) is/are true about midbrain?
I. It forms a part of brain stem.
II. Dorsal portion of mid-brain consists of four lobes, called corpora quadrigemina.
III. A canal called cerebral aqueduct passes through this section.
IV. This is the centre for audio-visual spatial location.

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Important Questions on Neural Control and Coordination
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Observe the following diagram of brain of man and identify the parts labelled as I and III.

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Where is the third ventricle of the brain located?

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Match the number and name of following cranial nerves and select the correct option.
Number | Name | ||
a) | VIII | i) | Pathetic |
b) | XI | ii) | Auditory |
c) | IV | iii) | Vagus |
d) | X | iv) | Spinal accessory |

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Statement (S): Damage to cerebellum results in uncoordinated voluntary muscle movements
Reason (R): Cerebellum is responsible for the control and coordination of locomotor movements.
The correct answer is

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Reason (R): They originate from the Pons Varolii and end in the lateral rectus muscle of the eyeball.
The correct option among the following is

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Reason (R): The number of optic lobes is four in mammals and two in other vertebrates.

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