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Q. In cockroaches, the sclerites are joined to each other by

NTA AbhyasNTA Abhyas 2022

Solution:

The body of the cockroach is segmented and divisible into three distinct regions - head, thorax and abdomen. 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).