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.
Assertion : Adult human being is not perfect in digestion of milk.
Reason : With age, man produces little or no lactase in the intestinal juice.
Assertion : Trypsin helps in blood digestion of predator aimals.
Reason : Trypsin hydrolyses fibrinogen.
Assertion : Volume and fluidity of intestinal contents have increased in a person.
Reason : The person drank sea water.
Assertion : Sea-faring fishermen suffer from paralysis.
Reason : They can be deficient of Vitamin B1.
Assertion : Starch is hydrolysed by ptyalin to maltose.
Reason : Sucrose hydrolyses sucrose to lactose.