Which of the following statements are true about the brain?
(i) The main thinking part of brain is hind brain
(ii) Centres of hearing, smell, memory, sight etc are located in forebrain.
(iii) Involuntary actions like salivation, vomiting, blood pressure are controlled by the medulla in the hind brain
(iv) Cerebellum does not control posture and balance of the body
(a) (i) and (ii) (b) (i), (ii) and (iii) (c) (ii) and (iii) (d) (iii) and (iv)
The correct answer is (c) (ii) and (iii).
Explanation:
(ii) is true: The forebrain is the primary center for higher cognitive functions like memory, sight, smell, and hearing.
(iii) is true: The medulla, part of the hindbrain, controls vital involuntary actions like salivation, vomiting, and blood pressure regulation.
(i) is false: The main thinking part of the brain is the forebrain, not the hindbrain.
(iv) is false: The cerebellum is crucial for maintaining posture and balance.
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