

McqMate
Q. |
Pinna (external ear) is present in – |
A. | Amphibian |
B. | Fish |
C. | Mammal |
D. | Reptile |
Answer» C. Mammal | |
Explanation: Outer Ear or Pinna is found only in terrestrial mammals. It is composed of a thin plate of yellow elastic cartilage, covered with integument, and connected to the surrounding parts by ligaments and muscles. |
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