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Question

Mandibles of cockroaches are

A
Short with grinding teeth
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B
Long and pointed
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C
Short without teeth
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D
Long and coiled
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Solution

The correct option is C Short with grinding teeth
Mandibles are the pair of appendages which is present in the buccal cavity. The cockroach mandible is well sclerotized (hardened), with the heaviest sclerotization occurring at the teeth. This helps in proper grinding of food.
Therefore, the correct answer is option A.

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