Q. Which of the following is not a characteristic of chordates?
A) Presence of post anal part (tail)
B) Presence of notochord
C) Central nervous system is dorsal
D) Absence of gills
Explanation
[Solution from source] Chordates have a notochord, a dorsal hollow nerve cord, paired pharyngeal gill slits and a post-anal tail, so absence of gills is not a chordate characteristic. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.