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Biomolecules and natural fibres MCQ - Practice Questions with Answers

Solve 1 Biomolecules and natural fibres questions for RAS/RPSC preparation.

Practice questions

Q1Cotton fibre obtained from cotton seed is a:

A Monosaccharide
B Polypeptide
C Polysaccharide
D Poly amino acid
Explanation

Cotton fibre is made mainly of cellulose, and cellulose is a polysaccharide built from many glucose units joined together. A monosaccharide is a single sugar unit such as glucose, so it is too small to describe cotton fibre. A polypeptide is a chain of amino acids and belongs to the protein family, not to carbohydrates like cellulose. A poly amino acid also refers to amino-acid polymers, again pointing towards proteins rather than the carbohydrate structure of cotton.

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