Roughage is

A vitamin which helps the enzymes to digest the food.

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A substance in plant which is indigestible by human body.

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A cerebral fluid that helps to retain more memory.

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A protein that helps the blood to carry more oxygen.

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Solution

The correct option is B A substance in plant which is indigestible by human body.
Roughage is the indigestible material vegetable foodstuffs which aid the passage of food and waste products through the gut. It is found in many fruits, vegetables, grains, and legumes.
So, the correct option is 'A substance in plant which is indigestible by human body'.

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Similar questions

Q. Roughage helps our body to get rid of undigested food.

Haemoglobin helps oxygen to reach each cells of the body. So if a person has more haemoglobin, is it necessary that he would breathe in more oxygen? Will it affect the rate of oxygen in oxygenated blood ?

Q. What is the importance of roughage in our diet?
1. It helps in retaining water in the body.
2. It is necessary for normal functioning of the liver.
3. It adds bulk to the food and prevents constipation.

Q. Digestion needs the help of two more systems in the body to provide energy from food. Which are these systems and how do they help?

Question 6
The finger-like outgrowths of Amoeba helps to ingest food. However, the finger-like outgrowths of human intestine helps to

(a) Digest the fatty food substances.
(b) Make the food soluble.
(c) Absorb the digested food.
(d) Absorb the undigested food.

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