Q.

A complete set of the mouth part of cockroach consists of
 a) Labrum and labium
 b) Labium, labrum and tongue
 c) Larum, mandibles, maxillae and labium
 d) Labrum, maxillae and labium

A
B
C
D

A.

(c) The mouthparts are movable articulated appendages around the mouth. They includes labrum (upper lips), a pair of mandibles, a pair of maxillae and a labrum (lower lip). A median flexible lobe acting as tongue lies with the cavity enclosed by mouthparts

 



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