Pollen grains are male gametes.

If a typical angiospermic anther has 25 microspore mother cells in its each sporangium, calculate the total number of microspore tetrads, pollen grains and male gametes respectively produced by this anther.

Assertion. A pollen grain of angiosperm is considered as the male gametophyte . Reason. All the nuclei of the pollen grain produce male gametes.

Pollen grains are shed at

Even though each pollen grain has two male gametes, why are at least 10 pollen grains and not 5 pollen grains required to fertilise 10 ovules present in a particular carpel ?

[A]: Pollen grains from male parent are mostly transferred to the stigma in the female parent by some external ageincy. [R]: This is because the male flowers or male organs have no intemal device to reach the female organs in another flower

Pollen grains are the carrier of male gametes in

Arrange the following terms in the correct development sequence : Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes.

The carrying of male gametes near female gametes by pollen tube is called

Pollen grains are released from

In angiosperm pollen grains are dehisced at