Which of the following is incorrect about cockroach?

Fore wings cover hind wings when at rest.

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Fore wings are thick leathery and opaque.

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Hind wings are transparent and membranous.

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Fore wings are used for flight.

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Solution

The correct option is D Fore wings are used for flight.
In the case of cockroach, forewings are not used for the flight because they are thick, opaque and leathery, they only cover the hind wings and protects them. They are also called tegmina.
So, the correct answer is 'Fore wings are used for flight'.

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