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Question

Which carbohydrate is found in the exoskeleton, of insects and crabs?

A
Starch
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B
Chitin
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C
Cellulose
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D
Glycogen
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Solution

The correct option is B Chitin
Chitin is the substance which is fibrous and made up of the long-chain polymer of N-acetylglucosamine, is a derivative of glucose. It is a major constituent of the exoskeleton of arthropods, crabs and also make the cell wall of fungi.
Hence, the correct answer is 'Chitin'

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