Describe the Chemical events fertilization of Mammalian egg.

What is fertilization ? In which part of Human female reproductive system does it occurs ? Explain diagrammatically various physical and chemical events of fertilization in humans.

Describe the process of fertilization in human beings.

Explain the events taking place at the time of fertilization of an ovum in human female.

What are the uses of chemical fertilizers ?

Describe the role of blue green algae in the fertility of soil.