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NEET UG BIOLOGY MCQ: SEXUAL REPRODUCTION IN FLOWERING PLANTS
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If an angiospermic female plant is diploid and male plant is tetraploid, the ploidy of PEN and zygote respectively would be
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Correct option: A
and
Option A ( and ) is correct because the PEN is formed by the fusion of two polar nuclei (2n+2n) from the female and one sperm (4n/2 = 2n) from the male, resulting in 4n, and the zygote is formed by the fusion of one egg (2n) and one sperm (2n) resulting in 4n/2 + 2n = 3n.
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