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Answer the following. (Science 2025 31/6/1 Q22)

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ScienceCBSE Class 10 · Board exam 2025, set 31/6/1 · 2 marks · Very short answer

CBSE Class 10 Science 2025: question 22

Set in the CBSE Class 10 board exam of 2025, paper 31/6/1, section B, question 22, for 2 marks. Try it first; the hints and our step-by-step solution are below.

Q22 · 2 marks · Very short answerControl and Coordination

Answer the following.

  1. (a)

    How is brain protected in our body ?

    0 marks
  2. (b)

    A doctor finds in one of his patients that he is not maintaining a proper posture and balance of his body. State the region of brain and also the part of brain which is responsible for it.

    0 marks

Source: official question paper from cbse.gov.in (PDF). See it in the full 2025 board paper, set 31/6/1.

Hints

Open one hint at a time and try again before the next.

Hint 1

Think of the hard structure of the head and what lies between it and the brain.

Hint 2

Posture and balance are controlled by the part of the brain at the back, below the cerebrum.

Step-by-step solution

Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.

  1. (a) The brain sits inside a bony box called the skull (cranium). Inside the skull it is surrounded by a fluid-filled balloon (cerebrospinal fluid), which absorbs shocks.

    1 mark

  2. (b) Region of the brain: hind-brain.

    ½ mark

  3. (b) Part of the brain: cerebellum, which maintains posture and balance of the body.

    ½ mark

Answer: (a) Bony skull (cranium) with a fluid-filled cushion; (b) Hind-brain, cerebellum

Where the marks are

  • States that the brain is protected by the skull/cranium and fluid (1 mark)
  • Names the hind-brain (½ mark)
  • Names the cerebellum (½ mark)

Revise the chapter

Practise this chapterBoard-style questions from Control and Coordination, one at a time, marked against the answer key and marking points.Back to the full paper2025 board paper, set 31/6/1: every question, by section.

The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.