Discuss the importance of calcium and magnesium in the organism.

Discuss the importance of chelate formation.

Write the importance of calcium and folic acid during pregnancy. Name four food that can be included in the diet of a lactating woman.

Mention two importance of the magnesium.

Give the names of carbonate ores of calcium and magnesium .

Discuss the importance of demonstrations in imparting nutrition education regarding cooking methods.

Discuss the importance of fossils in case of horse evolution. What do you mean by survival of the fittest,.

Discuss one adaptive importance each of lateral line organ and swim bladder in rohu fish.

Discuss the importance of non-conventional sources of energy.

Permanent hardness of water is due to the presence of (1) bicarbonates of sodium and potassium (2) bicarbonates of sodium and potassium (3) chlorides and sulphates of calcium and matgnesium. (4) bicarbonates of calcium and magnesium. (5) phosphates of sodium and potassium