The salivary amylase shows maximum digestive action at pH

3.6

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6.8

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7.5

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8.5

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Solution

The correct option is C 6.8
Salivary amylase is an enzyme secreted by the salivary glands. This enzyme is necessary for the partial breakdown of carbohydrates to sugars in the mouth. The optimum pH at which it functions is 6.8 and at this pH it has the maximum digestive action. Thus the correct answer is option B.

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