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Question

Exoskeleton of arthropods is composed of

A
Glucosamine
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B
Cellulose
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C
Chitin
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D
Cutin
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Solution

The correct option is C Chitin
The arthropods such as crustaceans have a hard skeleton outside their body which is made up of chitin which is a type of carbohydrate. Chitinous exoskeleton is impermeable to water and protects the insect from desiccation. Arthropods are also segmented but it is only confined to the ectodermally derived tissue.

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