AIPMT MAINS2008Zoology-Evolution
AIPMT MAINS 2008 Zoology Ancestry of Birds MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which one of the following in birds, indicates their reptilian ancestry?
A
Eggs with a calcareous shell
B
Scales on their hind limbs
C
Four-chambered heart
D
Two special chambers crop and gizzard in their digestive tract
Correct Answer
Option B
Detailed Explanation
Scales on the hind limbs of birds are a characteristic inherited from their reptilian ancestors, as reptiles also have scales.
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