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Sexual Reproduction in Flowering Plants question

2025 · Q4
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Sexual Reproduction in Flowering Plants question

2025 · Q4

NEETBiologySexual Reproduction in Flowering PlantsMCQ+4 / −1

Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : A typical unfertilised, angiosperm embryo sac at maturity is 8 nucleate and 7-celled.

Reason (R) : The egg apparatus has 2 polar nuclei.

In the light of the above statements, choose the correct answer from the options given below :

  1. A
    A\mathbf{A}A is true but R\mathbf{R}R is false
  2. B
    A\mathbf{A}A is false but R\mathbf{R}R is true
  3. C
    Both A\mathbf{A}A and R\mathbf{R}R are true and R\mathbf{R}R is the correct explanation of A\mathbf{A}A
  4. D
    Both A\mathbf{A}A and R\mathbf{R}R are true but R\mathbf{R}R is NOT the correct explanation of A\mathbf{A}A
View written solutionFree

Correct answer: A

A typical Angiosperm embryo sac, at maturity is 7 -celled and 8 nucleate.

Polar nuclei are situated below the egg apparatus in the large central cell.

Three cells are grouped together at micropylar end and constitute the egg apparatus.

Hence, A is true but R is false.

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