- A Flame cells
- B Nephridia
- C Malpighian tubules
- D Green glands
Correct answer: B. Nephridia
Explanation: Earthworms (Annelida) have nephridia as excretory organs. Flame cells are found in flatworms, and Malpighian tubules in insects.
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.