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