. The indigestible material in the food is known as
(a) fats
(b) proteins
(c) carbohydrates
(d) roughage
Best Answer
(D) Roughage
Explanation- Roughage is the fibrous indigestible material in the food. It contains cellulose which is not digested in the body. Fats, proteins and carbohydrates are digested in the body.
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