Question
Biology Question on Structural Organisation of Animals and plants
With reference to the external features of Cockroach, which among the following statements is not correct
A
It has pulvillus between claws
B
Hind wings are protective and are not useful in flight
C
Fore wings are elytra
D
Gonapophyses help in copulation
Answer
Hind wings are protective and are not useful in flight
Explanation
Solution
Metathoracic or hindwings are thin, membranous, transparent, broad, delicate and are used in flight. They are kept folded like a fan under the tegmina, when at rest. Movements are due to special muscles attached to wing bases which work at a very high speed.