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Q. The enzyme that coagulates milk into curd is

  • (A) Rennin
  • (B) Pepsin
  • (C) Citrate
  • (D) Resin
  • Correct Answer - Option(A)
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Explanation by: Admin

Rennin (also called chymosin) is an enzyme found in the stomach of young mammals (like calves) that helps in coagulating milk. It converts casein (milk protein) into curd (solid form), aiding in digestion.

Why not other options?

  • (B) Pepsin → It is a protein-digesting enzyme but does not specifically coagulate milk.
  • (C) Citrate → It is a salt of citric acid, not an enzyme.
  • (D) Resin → It is a sticky organic substance, not involved in milk coagulation.

Thus, the correct answer is (A) Rennin.

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