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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2008
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Q)

Which one of the following in birds, indicates their reptilian ancestry?


( A ) Four-chambered heart
( B ) Two special chambers crop and gizzard in their digestive tract
( C ) Eggs with a calcareous shell
( D ) Scales on their hind limbs

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