Home Biology Animal Kingdom Previous Year Questions Which one of the following organisms bears h…
Biology Animal Kingdom Previous Year Questions Single Correct MCQ
Published on: August 21, 2026

Which one of the following organisms bears hollow and pneumatic long bones?

A
Hemidactylus
B
Macropus
C
Ornithorhynchus
D
Neophron

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The correct answer is:

                    

Neophron (vulture) belongs to class Aves. Endoskeleton of the members of class Aves is fully ossified (bony) and the long bones are hollow with air cavities (pneumatic).
Hemidactylus (wall lizard) belongs to class Reptilia. Macropus (kangaroo) and Ornithorhynchus (Platypus) belongs to class Mammalia.

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