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Science · 2023 · 2 marks
CBSE 2023 · Region 5 · Set 3 · Q21
(a) How is the brain and spinal cord protected in human beings? (b) State one main function each of (i) Medulla and (ii) Cerebellum.
(a)
How is the brain and spinal cord protected in human beings ?
(b)
State one main function each of (i) Medulla and (ii) Cerebellum.
Marking-scheme solution
(a) Brain is inside a bony box / skull / cranium The vertebral column or backbone protects the spinal cord.
(b) (i) Medulla: Controls involuntary actions such as blood pressure / salivation / vomiting.
(ii) Cerebellum : It is responsible for precision of voluntary actions / maintaining the posture and balance of the body.
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CBSE Class 10 Science past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.