Q.

Forewings of the cockroach are known as
 a) Tegmina         b)    Spiracles               c) Tergia              d) Coxa

A
B
C
D

A.

(a) Mesothoracic wings are thick, opaque and leathery. They are not used in flight. They are only protective in function and serve to cover the metathoracic wings when cockroach is not flying Therefore, they are called tegmina.

 



Related Questions :-