The initial step in the digestion of milk in infants is carried out by?

(1) Lipase

(2) Trypsin

(3) Rennin

(4) Pepsin

Assertion      :       Hepatopancreas of prawn is equivalent to the liver and pancreas of higher animals.

Reason         :       Hepatopancreas stores the absorbed nutrients from stomach and midgut.

Assertion      :       Rumen of alimentary canal of ruminant animals harbour numerous bacteria and protozoa.

Reason         :       Bacteria and protozoa help in the secretion of gastric juice in the rumen.

Assertion      :       Many tube like glands are present in the wall of small intestine.

Reason         :       These glands secrete enzymes DNAse and RNAse into the intestinal juice.

Assertion      :       Lipases of bile help in the emulsification of fats.

Reason         :       Lipases can break large fat droplets into smaller ones.

Assertion      :       Presence of HCl in stomach is necessary for the process of digestion.

Reason         :       HCl kills and inhibits the growth of bacteria in the stomach.

Assertion      :       Facilitated diffusion is more rapid than simple diffusion.

Reason         :       Facilitated diffusion involves expenditure of energy unlike simple diffusion.

Assertion      :       Carbohydrates are more suitable for the production of energy in the body than proteins and fats.

Reason         :       Carbohydrates can be stored in the tissues as glycogen for use in the production of energy, whenever necessary.

Assertion      :       The amino acid glycine comes under the category of nonessential amino acids.

Reason         :       This is due to the fact that it can not be synthesised in the body.

Assertion      :       The mode of nutrition in higher animals is heterotrophic.

Reason         :       Animals can use different trophic levels for heterotrophic nutrition.