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ScienceCBSE Class 10 · Board exam 2025, set 31/5/1 · 1 mark · MCQ

CBSE Class 10 Science 2025: question 9

Set in the CBSE Class 10 board exam of 2025, paper 31/5/1, section A, question 9, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q9 · 1 mark · MCQControl and Coordination

Which among the following is not a neural action controlled by the part of human brain labelled 'X' in the figure above?

  1. (A)Salivation
  2. (B)Hunger
  3. (C)Vomiting
  4. (D)Blood Pressure

Figure in the paper: Sagittal section of the human brain showing cerebrum, cerebellum and brainstem; a label 'X' with an arrow points to the lower part of the brainstem (medulla region) where the spinal cord begins. See it in the official paper.

Source: official question paper from cbse.gov.in (PDF). See it in the full 2025 board paper, set 31/5/1.

Hints

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

Hint 1

Identify the part of the brain labelled X.

Hint 2

Which of these actions is controlled by the forebrain?

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. X is the medulla in the hindbrain. It controls salivation, vomiting and blood pressure.

  2. The feeling of hunger is controlled by the forebrain, not the medulla. So the answer is option (B).

    1 mark

Answer: (B) Hunger

Where the marks are

  • Identifies hunger (1 mark)

Revise the chapter

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.