What is centrolecithal egg?

An example of centrolecithal egg is

What is formed in the egg after ferilization?

What are vegetarian eggs ?

What is yellow yolk in the egg of a hen?

Where does the water present in the egg go after boiling the egg?

What is uricotelism ?In What way is it advantageous to the land animals which layed shelled eggs?

If a fresh egg is put into a beaker filled with water, it sinks. On dissolving a lot of salt in the water, the egg begins to rise and floats. Why ?

What will happen if the fallopian tubes are partially blocked and the ovulated eggs are prevented from reaching the uterus?

What terms is used for the chemical which occurs in the sperms' acrosome and helps in the sperm's entry into the egg?

Mention the percentages of proteins content in the milk, egg and fish.