Question

The indigestible material in food is also known as
A. Roughage
B. Fats
C. Minerals
D. Vitamins

Answer 1

Hint: The material which is not digested by our body is known as indigestible material. There are different mechanisms and enzymes for digestion of different components of food. Carbohydrate digestion occurs from the mouth whereas digestion of protein takes place in the small intestine.

Complete answer:
1: Humans have a well developed digestive system for the digestion of different food
components at different stages and in different organs of the digestive system.
2: The digestion of the food initiative in the mouth as mouth consist of salivary amylase for
the digestion of the starch and carbohydrates.
3: The digestion of the fat is done by the bile salt which is secreted by the liver and from the
gall bladder which is present inside the liver.
4: The absorption of the minerals and the vitamin is completed in the large intestine and
small intestine.
5: The small intestine is responsible for the absorption of all simpler food particles.
6: The roughage is the salad material that consist of cellulose component in the material of
the roughage.
7: Our body does not have a mechanism for the digestion of the cellulose so cellulose is excreted as such from the body without any digestion .
8: The mechanism of the cellulose digestion is present in the animal body as they have
different digestion mechanism than of the human.

Hence, option A correct.

Note:
Cellulose is present in raw food material that is obtained from the plants and eaten in the raw form. They are helpful in the easy removal of the fecal matter during the defecation.