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Question

Assertion: Megaspore mother cell undergoes meiosis to produce four megaspores.

Reason: Megaspore mother cells and megaspores both are haploid.


  1. Both assertion and reason are false.

  2. Both assertion and reason are true, and reason is the correct explanation for assertion.

  3. Both assertion and reason are correct, but reason is not the explanation for assertion.

  4. Assertion is true, and reason is false.

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Solution

The correct option is D

Assertion is true, and reason is false.


The correct option is D.

Assertion statement:

  1. Megaspores are produced by meiosis or reduction division in the megaspore mother cell.
  2. Meiosis in megaspore mother cell gives rise to four haploid megaspores.

Reason statement:

  1. The megaspore mother cell is a large diploid cell (2n) with a prominent nucleus and dense cytoplasm.
  2. The megaspore formed as a result of reductional division is haploid (n).

Final answer:(D) Assertion is true, and the reason is false.


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