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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

Verified by Experts

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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Knowledge Check

  • The mouth parts of cockroach are

    A
    Piercing and sucking type
    B
    Biting and cutting type
    C
    Chewing and biting type
    D
    Siphoning and sponging type

  • Mouth parts of cockroach are

    A
    Sponging type
    B
    Biting and sucking type
    C
    Biting and chewing type
    D
    Piercing and sucking type

  • In the mouth parts of a cockroach, the labium forms ______ (i) while______(ii) acts as a tongue.

    A
    i-upper lip, ii-maxilla
    B
    i-upper lip, ii-hypopharynx
    C
    i-lower lip, ii-maxilla
    D
    i-lower lip, ii-hypopharynx

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    Mouth part of cockroach are suited for :

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