Q. Which one of the following feature is common to leech, cockroach and scorpion?
A) Nephridia
B) Ventral nerve cord
C) Cephalization
D) Antennae
Explanation
Ventral nerve cord is common to leech (Annelida), cockroach and scorpion (Arthropoda).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.