Chemical process of digestion is initiated in the

Stomach by hydrolytic action of pepsin

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Stomach by hydrolytic action of rennin

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Oral cavity by hydrolytic action of pepsin

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Oral cavity by hydrolytic action of salivary amylase

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Solution

The correct option is D Oral cavity by hydrolytic action of salivary amylase
In the oral cavity, the process of digestion start as the salivary amylase acts on starch (complex polysaccharide) and covert it to maltose (disaccharide).
So the correct answer is "Oral cavity by hydrolytic action of salivary amylase"

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Similar questions

Q. Which of the following statements are correct?
A. The chemical process of digestion is initiated in oral cavity by the hydrolytic action of the carbohydrate
splitting enzyme, the salivary amylase.
B. Lipases are absent in secretion of gastric glands.
C. Bile helps in emulsification of fats.
D. Nucleases in the succus entericus acts on nucleic acids to form nucleotides and nucleosides.

Amylase is a digestive enzyme that acts on starch in food, breaking it down into smaller carbohydrate molecules. Once food along with salivary amylase enters the stomach, action of hydrolytic enzymes lead to amylase deactivation. In case, the undigested starch still remains, how will it be digested?

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Q. Why does the action of salivary amylase stop in stomach?

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