What would happen if fusion of sperm and ova doesn't takes place?

What would happen if ovulation stops.

Kshitija saw a medical camp on her way home. She went near the doctor and asked the purpose of the camp. The doctor told her that, he is cutting some part of the sperm ducts of males by operations and lying again with string. Can you say what would happen if fusion of sperm and ova stop?

What would happen if leptin is secreted ?

What happens if reabsorption of water does not take place ?

What would happen to amoeba if osmoregulation did not take place ?

What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.

What would happen if a bird eat insects?

What happens if fertilization does not takes place.

What will happen if the displacement reaction takes place in between TiCl_4 and Mg ?