Q. Non-chordates show
A) Notochord
B) Dorsal tubular nerve chord
C) Pharyngeal gill cleft
D) Absence of hepatic portal system
Explanation
Presence of hepatic portal system is the characteristic of chordates.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.