Q. In plants that shed pollen grain at two-celled condition, the generative cell divides and form the two male gametes during the

 1924  218 Sexual Reproduction in Flowering Plants Report Error

Solution:

• In some plants, pollen grains are shed at -celled condition (a vegetative cell and a generative cell). In such plants, the generative cell divided and forms the two male gametes during the growth of pollen tube in the stigma.
• In plants which shed pollen in the three-celled condition, pollen tubes carry the two male gametes from the beginning.