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Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS
हिन्दीRead the following statements regarding the female gametophyte development in angiosperms: Statement I: The mitotic divisions during embryo sac development are strictly free nuclear and are not immediately followed by cell wall formation. Statement II: In monosporic development, the functional megaspore at the micropylar end develops into the embryo sac while the three at the chalazal end degenerate. In the light of the above statements, choose the correct answer from the options given below:
Correct answer · Option 3
Statement I is correct but Statement II is incorrect
Explanation
Statement I is correct (free nuclear mitotic divisions up to 8-nucleate stage). Statement II is incorrect because usually the chalazal megaspore remains functional, while the three micropylar megaspores degenerate.
