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The triploid endosperm formed in angiosperms is the result of fusion of
Atwo sperms with one polar nucleus
Btwo eggs with one sperm
Ctwo antipodals
Done sperm with two polar nuclei
Answer & Solution
Correct answer: D. one sperm with two polar nuclei
1. The second sperm of the angiosperm pollen tube fuses with the central cell.
2. The central cell already contains two polar nuclei; this gives a 3n (triploid) nucleus.
3. This triple fusion produces the nutritive endosperm tissue of the seed.
_Source: Maharashtra Balbharati Std XII Biology, Ch 1 "Reproduction in Lower and Higher Plants" §1.6_
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