When a piece of bread is chewed, it tastes sweet because:
A
The sugar contents are drawn out
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B
Saliva converts starch into maltose
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C
It does not taste sweet
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D
The taste buds are stimulated by chewing
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Solution
The correct option is B Saliva converts starch into maltose When a piece of bread is chewed, it tastes sweet because of the presence of salivary amylase in saliva. Salivary amylase converts starch into maltose which is sweet in taste.
So, the coorect answer is 'saliva converts starch into maltose'.