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B
Elytra attached to prothorax
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C
Tegmina attached to thorax
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D
Elytra attached to thorax
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Solution
The correct option is C Tegmina attached to mesothorax In cockroach, thorax consists of three parts: prothorax, mesothorax and metathorax. The first pair of wings arises from mesothorax and the second pair from metathorax. The mesothoracic forewings called tegmina are opaque, dark and leathery.
So, the correct answer is 'Tegmina attached to mesothorax'.