Q. Acoelus vertebrae in frog is

A) $5^{th}\$vertebrae
B) Atlas vertebrae
C) $8^{th}$ vertebrae
D) None of these
Explanation

The first vertebrae of vertebrates is generally called atlas. It is acoelous in frog, $i.e.,$ the centrum of atlas is convex at both ends. It is the smallest vertebra and looks more ring-like.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.