Digestion and A...

The following is a scheme showing the fate of carbohydrate during digestion in the human alimentary canal. Identify the enzymes acting at stages indicated as a, b, c and d. Choose the correct option from those given.

With reference to a normal human being, which one of the following statements is not correct?

Vitamin-$$B_{12}$$ is absorbed primarily in the

Which one of the following helps in digestion without secreting any digestive enzyme?

Absorption of vitamin $$B_{12}$$ in human requires "P" glycoprotein secreted from "Q". The correct choice of P and Q are

In an empty stomach, the mucosa is thrown into folds called

Which disease does not occur in infants younger than six months?

Muscular coat is well developed in.

Ileum is characterised by

The protein deficiency disease is known as