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What material is the exoskeleton of the cockroach made of?

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in Biology – Class 11 by (272k points)
What material is the exoskeleton of the cockroach made of?

(a) Calcium

(b) Chitin

(c) Collagen

(d) Cellulose

I got this question by my school teacher while I was bunking the class.

This interesting question is from Animals Structural Organisations topic in portion Structural Organisations in Animals of Biology – Class 11

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The correct option is (b) Chitin

For explanation I would say: The exoskeleton of cockroach is made of chitin. It is a polysaccharide. Chitin is fibrous in nature and it is the main component of the exoskeletons of Arthropods as well as the cell walls of fungi.

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