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JIPMER 2014
Exam
JIPMER
Year
2014
Subject
Botany
Chapter
Animal Kingdom

JIPMER 2014 · Botany · Animal Kingdom

Which one of the following in birds indicates their reptilian...

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

Options

  1. AScales on their hindlimbs
  2. BFour-chambered heart
  3. CTwo special chambers crop and gizzards in their digestive tract
  4. DEgg with a calcareous shell

Correct answer

D. Egg with a calcareous shell

Step-by-step solution

The birds have evolved from reptiles. Both birds and reptiles lay eggs which are large and telo lecithal with thick hard calcarious shell i.e., cleiodic eggs.
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