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One of the constituents of the pancreatic juice while poured into the duodenum in humans, is:

1. trypsinogen
2. chymotrypsin
3. trypsin
4. enterokinase

Correct answer: trypsinogen

Solution

The pancreas secretes digestive enzymes mostly in inactive forms to prevent self-digestion. Trypsinogen is one such zymogen present in pancreatic juice and is activated in the duodenum by enterokinase.

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