Question
Rahul noticed that when he chewed a piece of bread for a long time, it started tasting sweet. His teacher explained that it happens because enzymes in saliva start breaking down starch into sugar.
(i). Name the type of nutrient present in the bread.
(ii) What did Rahul notice after chewing bread for a while?
(iii) What helps in the breaking down of starch in the mouth?

Answer

(i) Bread contains a nutrient called starch.
(ii) Rahul noticed that the bread started tasting sweet after he chewed it for a long time.
(iii) The saliva helps in the breaking down of starch in the mouth.

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