In water hyacinth and water lily, pollination takes place by 

Fusion of a male gamete with the secondary buicleus forms the

Which of the following is a parthenocarpic fruit?

Give scientific reasons : The flower possesses religious, cultural and scientific value.

Through which cell of the embryo sac, does the pollen tube enter the embryo sac

If the developing microspore mother cells draw nourishment by contacting the tapetal cells, the type of tapetum is called