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Q81 (NDA-I/2024) Science & Technology › Basic Science (Physics, Chemistry, Biology) Official Key

In the human digestive system, which one among the following is the role of the pancreas ?

Explanation

The pancreas is a vital organ in the digestive system with a primary exocrine function of secreting pancreatic juice into the small intestine (duodenum). This juice contains a cocktail of enzymes essential for chemical digestion:

  • Lipase: Breaks down dietary fats (lipids) into fatty acids and glycerol.
  • Amylase: Continues the breakdown of carbohydrates (starches) into simpler sugars.
  • Protease (such as trypsin and chymotrypsin): Breaks down proteins into smaller peptides and amino acids.

Regarding the other options: Bile (which acts as a surfactant to emulsify lipids) is produced by the liver and stored/released by the gallbladder (Options A and B). While the pancreas also secretes bicarbonate to help neutralize stomach acid, Option C specifically identifies the key digestive enzymes it produces, making it the most accurate description of its enzymatic role.

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