Name the major site where RBCs are formed.

Name the major biomes of the earth .

Name the primary site of exchange of gases in our body?

Name the major classes of point defects?

Where was first life formed?

Name the triploid nutritive tissue formed after fertilization.

Name the following: Other products formed in sugar factories.

Name the varieties of sheep breed used to form the clone.

Give names of three natural polymers. Write the place of their occurrence and name of monomers from which they are formed.

Name the following: Name the mirror which forms a real image or a virtual image depending on the position of the object.

Where was first life formed ?