Q. Biradial symmetry and lack of cnidoblasts are the characteristics of
A) Starfish and sea anemone
B) Ctenoplana and Beroe
C) Aurelia and Paramecium
D) Hydra and starfish
Explanation
Ctenoplana and Beroe lack cnidolasts and have biradial symmetry. These belong to phylum-Ctenophora.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.