If during the formation of male gametes, each pollen grain produces two male gametes. Then, deduce the number of pollen grains which would be required to fertilise five ovules present in a particular carpel. Give reasons to support your answer.

If during the formation of male gametes, each pollen grain produces tw

1.	If during the formation of male gametes, each pollen grain produces two male gametes. Then, deduce the number of pollen grains which would be required to fertilise five ovules present in a particular carpel. Give reasons to support your answer.
Answer» Each pollen grain generates to produce two male gametes that are carried through a pollen tube to the embryo sac. This pollen tube enters the embryo sac through the filliform apparatus of one of the synergids present at the micropylar end and releases two male gametes.Out of these two male gametes, one fuses with the egg cell while, the other fuses with the secondary nucleus. Therefore, one pollen grain can fertilise only one ovule. Therefore, in order to process fertilisation of five ovules, five pollen grains will be required.

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If during the formation of male gametes, each pollen grain produces two male gametes. Then, deduce the number of pollen grains which would be required to fertilise five ovules present in a particular carpel. Give reasons to support your answer.

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