NEET · BiologyMedium
In a typical angiosperm, the number of nuclei involved in the formation of the endosperm and the embryo respectively are
- A.3 and 2
- B.2 and 3
- C.5 and 3
- D.3 and 3
Show correct answer & step-by-step solution
Correct answer: A — 3 and 2
Solution
- The primary endosperm nucleus is formed by triple fusion involving two polar nuclei and one male gamete, totaling 3 nuclei.
- The zygote is formed by syngamy involving one egg cell and one male gamete, totaling 2 nuclei.
- Hence the answer is (A).
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