How fertilization is done by ZIFT process.

Double fertilization is

ZIFT is

Fertilization in frog is

Fertilization is internal in

Fertilization is internal in

Fertilization is internal in

Fertilization is essential for the production of seed, but in some angiosperms seeds develop without fertilization. (a)Give an example of an angiosperm that produces seeds without fertilization. Name the process. (b)Explain the two way by which seeds develop without fertilization.

What is double fertilization? State about the process in flowering plants.

How irrigation is done in fields?

What is fertilization?