Q. Which of the following is NOT a characteristic of chordates?
A) Dorsal hollow nerve cord
B) Ventral, solid and double nerve cord
C) Paired pharyngeal gill slits
D) Post-anal tail
Explanation
Chordates have a dorsal, hollow and single nerve cord. A ventral, solid and double nerve cord is a non-chordate feature.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.