Solved UPSC CDS/OTA Question
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Q · Digestive Systemmedium · 45s
Which enzyme is present in saliva?
TopicDigestive System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Salivary amylase, also known as ptyalin, is secreted by the salivary glands into the mouth where it begins the digestion of starch by hydrolyzing α-1,4 glycosidic bonds to produce maltose and dextrins. This marks the first step in carbohydrate digestion before food reaches the stomach.
Final Answer: Option B - Amylase