Q. Which character is found only in mammals?
A) Neck
B) Diaphragm
C) Optic lobes of brain
D) Tail
Explanation
Presence of diaphragm is the characteristic feature of mammals along with mammary gland, pinna, 7-cervical vertebra, etc.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.