Which one of the following is the major Ingredient of leather?

  • A. Carbohydrates
  • B. Collagen
  • C. Syntans
  • D. None of these

Correct Answer: B. Collagen

The primary ingredient of leather is collagen, a protein found in animal rawhide and skins. Leather is a flexible and durable material created by tanning these animal skins.

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