List the similarities and differences between a fish and a bird.

State two similarities and two differences between respiration and burning.

Mention the main points of similarities and differences between valence bond and molecular orbital theories.

List the main differences between mitosis and meiosis

List the difference between antigen and antibody .

List the main differences between mitosis and meiosis.

Give one similarity and two differences between bleaching action of sulphur dioxide and chlorine

List the differences between energy and power.

List five differences between monocots and dicots.

Write one similarity and one difference between the chemistry of lanthanoids and that of actinoids.

List the major differences between a plant cell and an animal cell.