- A Jointed appendages
- B a soft unsegmented body
- C only a radial symmetry
- D the presence of setae
Correct answer: A. Jointed appendages
Explanation: Jointed appendages characterise the arthropods.
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.