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Assertion (A) : Saheli is the… (Class 12 Biology 2025, Q13)

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BiologyCBSE Class 12 · Board exam 2025, set 57/1/1 · 1 mark · Assertion-reason

CBSE Class 12 Biology 2025: question 13

Set in the CBSE Class 12 board exam of 2025, paper 57/1/1, section A, question 13, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q13 · 1 mark · Assertion-reasonCompetency-basedReproductive Health

Assertion (A) : Saheli is the World's first non-steroidal oral contraceptive pill.
Reason (R) : It has been developed by National Institute of Immunology, New Delhi.

  1. (A)Both (A) and (R) are true and (R) is the correct explanation of (A).
  2. (B)Both (A) and (R) are true, but (R) is not the correct explanation of (A).
  3. (C)(A) is true, but (R) is false.
  4. (D)(A) is false, but (R) is true.

Source: official question paper from cbse.gov.in (PDF). See it in the full 2025 board paper, set 57/1/1.

Hints

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

Hint 1

Check which institute developed Saheli.

Hint 2

It is an institute in Lucknow.

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. Assertion (A) is true: Saheli is a once-a-week non-steroidal pill.

  2. Reason (R) is false: Saheli was developed by CDRI, Lucknow, not by NII, New Delhi. The answer is option (C).

    1 mark

Answer: Option (C)

Where the marks are

  • A true, R false (CDRI Lucknow) (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from Reproductive Health, one at a time, marked against the answer key and marking points.Back to the full paper2025 board paper, set 57/1/1: 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.