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Question

Gelatin, an important raw material for preparation of photographic emulsion is a by product of

A
Chicken
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B
Forest
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C
Cattle
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D
Fish
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Solution

The correct option is C Cattle
  • Gelatin is a translucent, colourless, flavourless protein derived from collagen fibres from various animal raw materials. It is commonly used as a gelling agent in food, drugs, photographic emulsion, and cosmetic manufacturing.
  • It is a mixture of peptides and proteins produced by partial hydrolysis of collagen extracted from the skin, bones and connective tissues of animals usually domesticated cattle.
  • Gelatins that are used in photographic and pharmaceutical industries are obtained from beef bones and pigskin.
So, the correct answer is option C.

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