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Which of the following is not included in the mouthparts of the cockroaches?

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in Biology – Class 11 by (272k points)
Which of the following is not included in the mouthparts of the cockroaches?

(a) Collateral glands

(b) Maxilla

(c) Mandible

(d) Hypopharynx

I got this question in an online interview.

The doubt is from Animals in chapter Structural Organisations in Animals of Biology – Class 11

1 Answer

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Best answer
Correct choice is (a) Collateral glands

To explain: The mouth-parts of the cockroach consist of a labrum (upper lip), a pair of mandibles, a pair of maxillae and a labium (lower lip). A median flexible lobe acts as a tongue, which is also known as hypopharynx.

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