Q. Which of the following pairs is correct?
A) Annelida – Polychaeta – leech
B) Arthropoda – Crustacea – cockroach
C) Mollusca – Cephalopoda – Octopus
D) Protozoa – Hydra
Explanation
Octopus (devil fish) is a mollusc, belonging to class-Cephalopoda.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.