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
Explanation
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
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.