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Which of the following is correct ?

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In about 70% of angiosperms, pollination occur at 3-celled stage.

In about 40% of angiosperms, pollination occur at 2-celled stage.

Generative cell divides meiotically to form two male gametes.

In about 60% of the angiosperms, pollination occur when a pollen grain at least forms a vegetative cell and a generative cell.

answer is D.

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Detailed Solution

In over 60% of angiosperms, pollen grains are shed at 2 celled stage. In the remaining species the generative cell divides mitotically to give rise to the two male gametes before pollen grains are shed ( 3 celled stage).

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