____ is necessary as roughage for smooth movement of food.
A
vitamin A
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B
Calcium
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C
Cellulose
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D
none of these
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Solution
The correct option is C Cellulose Answer: Option C
Cellulose
Explanation: Cellulose is a fibre not digested by the human digestive system. Cellulose absorbs water and retains it. Undigested cellulose acts as roughage and helps in the smooth movement of food through the intestine