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In the mouth parts of a cockroach, the l...

In the mouth parts of a cockroach, the labium forms `ul("I")` while`ul("II")` acts as a tongue.

A

(i) - upper lip , (ii) - maxilla

B

(i) - upper lip , (ii) - hypopharynx

C

(i) - upper lip , (ii) - maxilla

D

(i) - lower lip , (ii) - hypopharynx

Text Solution

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The correct Answer is:
D

The mouth parts of cockroach are of biting and chewing type consisting of labrum (uuper lip), pair of mandibles, a pair of maxillae and a labium (lower lip) Within the oral cavity enclosed by the mouthparts, lies a median flexible lobe called hypopharynx (tongue).
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