Digestion and Absorption Question 53

53. A person is eating boiled potato, which food component is found in it ?

[2000]

(a) DNA which gets digested by pancreatic DNAase

(b) Lactose which is indigestible

(c) Starch which does not get digested

(d) Cellulose which is digested by intestinal cellulose

Show Answer

Answer : a

Hints & Solution

(a) Boiled potato does not contain cellulose or lactose. Its starch is also digested. DNA is broken down into purines, pyrimidines and sugars by pancreatic nuclease (such as DNAase).