Q. Fill in the blanks:
The entire body is covered by a hard chitinous exoskeleton In each segment, exoskeleton has hardened plates called a______ b______ dorsally and c______ ventrally) that are joined to each other by a thin fexible d______

 1867  162 Structural Organisation in Animals Report Error

Solution:

The entire body is covered by a hard chitinous exoskeleton. In each segment, exoskeleton has hardened plates called sclerites (tergites dorsally and sternites ventrally) that are joined to each other by a thin flexible articular or arthrodial membrane