____% of starch is hydrolysed by salivary amylase

60%

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30%

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All starch is hydrolysed

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Solution

The correct option is B
30%

Saliva contains enzymes like salivary amylase and lysozyme. The salivary amylase having a pH of 6.8 has hydrolytic action on carbohydrates. 30% of starch is hydrolysed in the mouth by the enzyme salivary amylase. Starch is hydrolysed into a disaccharide – maltose.

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____% of starch is hydrolysed by salivary amylase

Pick out the correct statement(s).

Statement 1: Saliva contains salivary amylase.

Statement 2: Salivary amylase hydrolyses starch into maltose.

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