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Question

Cotton fibres mainly contain

A
Cellulose
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B
Glycogen
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C
Protein
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D
Lipid
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Solution

The correct option is A Cellulose
The cotton fibres represents epidermal prolongations of seed coat cells. A raw cotton fibre, on average, gives the following values on analysis: cellulose- 94%, protein- 1.3%, pectic substances- 0.9%, ash- 1.2%, wax- 0.6%, sugars- 0.3% and traces of pigments and mineral matter.

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