- A Coelenterata
- B the phylum Annelida
- C only Arthropoda group
- D a class called Aves
Correct answer: A. Coelenterata
Explanation: Coelenterates (Cnidarians) are radially symmetrical.
Concept context
Phylum-level classification of the animal kingdom from Porifera to Chordata, based on body symmetry, coelom, and segmentation. One of the most example-heavy chapters for NEET.