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BiologyCBSE Class 12 · Board exam 2024, set 57/1/1 · 1 mark · Assertion-reason

CBSE Class 12 Biology 2024: question 16

Set in the CBSE Class 12 board exam of 2024, paper 57/1/1, section A, question 16, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q16 · 1 mark · Assertion-reasonCompetency-basedBiotechnology and its Applications

Assertion (A) : Indian Government has set up an organisation known as GEAC to decide the validity of GM research.
Reason (R) : Genetic modification of organisms has no effect when such organisms are introduced in the ecosystem.

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

Source: official question paper from cbse.gov.in (PDF). See it in the full 2024 board paper, set 57/1/1.

Hints

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

Hint 1

Ask why a regulatory body would be needed at all.

Hint 2

If GM organisms had no effect, GEAC would be unnecessary.

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. The assertion is true: GEAC was set up to decide the validity of GM research and the safety of introducing GM organisms for public use.

    ½ mark
  2. The reason is false: GM organisms can have unpredictable effects when introduced into an ecosystem, which is exactly why regulation is needed.

    ½ mark

Answer: (C)

Where the marks are

  • A is true and R is false (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.