Question

(8) Each pollen grain produces two male gametes. How many pollen grains will be required to fertilize 4 ovules present in a particular carpel? Give reasons.

Answer 1

The answer is 4.
As we know that 1 pollen grain produce 2 male gametes and these 2 male gametes that goes in one ovule to fuse with egg and two polar nuclei. so, for 4 ovules 4 pollen grains will be required.