Hardened exoskeletal plates of cockroach are called:
A
podomeres
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B
sclerites
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C
tegmina
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D
tagmata
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Solution
The correct option is B
sclerites
The entire body is covered by a hard chitinous exoskeleton (brown in colour). In each segment, exoskeleton has hardened plates called sclerites (tergites dorsally and sternites ventrally) that are joined to each other by a thin and flexible articular membrane (arthrodial membrane).