Question

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

• A. Chicken
• B. Forest
• C. Cattle
• D. Fish

Answer 1

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.