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Question

Which of the following regions of the alimentary canal of human beings does not secrete a digestive enzyme?

A
Oesophagus
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B
Stomach
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C
Duodenum
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D
Buccal cavity
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Solution

The correct option is A Oesophagus
Digestion process is facilitated by enzymes. Since oesophagus just helps in transferring of partially digested food from mouth to stomach, it has no active role in digestion process. It is thus devoid of any enzyme secretion. Thus, the correct answer is option A.

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