Q. Animals of class-Mammalia have
A) Seven cervical vertebrae
B) Seven cranial nerve
C) Single ventricular chamber
D) Fourteen cervical vertebrae
Explanation
The number of cervical vertebrae are seven in almost all mammals including human beings.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.