Study the following statements and choose the correct statements. A. Mostly pollen tube enters ...

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Study the following statements and choose the correct statements.

A. Mostly pollen tube enters into the ovule via chalaza..
B. Female gametophyte of Polygonum is monosporic type because it is developed from single megaspore mother cell.

C. Diploid secondary nucleus is formed due to triple fusion.
D. Endosperm develops from primary endosperm cell.
(1) (D) only
(2) (C) only
(3) Both (A) and (D)
(4) Both (B) and (D)
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