Assertion : Hepatopancreas of prawn is equivalent to the liver and pancreas of higher animals.
Reason : Hepatopancreas stores the absorbed nutrients from stomach and midgut.
Concept Questions :-
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.
Assertion : Chewing is one of the important process of digestion in animals.
Reason : It helps in enzyme action.