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 fore brain.
(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)
Answer: C
Solution: Hindbrain forms the lower part of brain stem and it consists of medulla oblongata, pons, and cerebellum.
Medulla oblongata controls involuntary actions such as heartbeat, breathing etc. Cerebellum helps in maintaining posture, balance, and equilibrium. Cerebrum forms part of the forebrain and is the main thinking part of the brain. It coordinates the voluntary actions of the body. It has different areas for performing functions such as centres of hearing, smell , memory, etc.