NEET 2025 Biology question
The following are the statements about non-chordates : A. Pharynx is perforated by gill slits. B. Notochord is absent. C. Central nervous system is dorsal. D. Heart is dorsal if present. E. Post anal tail is absent. Choose the most appropriate answer from the options given below :
Answer: (D)
Solution
Non-chordates lack notochord and post-anal tail; heart, if present, is dorsal; CNS is ventral; no gill slits.