Q. Two common characters found in centipede, cockroach and crab are :
A) compound eyes and anal cerci
B) jointed legs and chitinous exoskeleton
C) green gland and tracheae
D) book lungs and antennae
Explanation
[Solution from source] Centipedes, cockroaches and crabs are arthropods, so they all have jointed legs and a chitinous exoskeleton. Anal cerci, tracheae, green glands and book lungs are found only in some of them. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.