NEET 2008 · Class 11

Animal Kingdom

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

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

The NCERT line that answers it

Verbatim line

The hind limbs generally have scales and are modified for walking, swimming or clasping the tree branches.

Chapter
Animal Kingdom
Section
4.2.11 Phylum – Chordata
Page
12
Words matched
17 of 17

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states 'The hind limbs generally have scales', which directly matches option C and indicates reptilian ancestry through the presence of scales on limbs.

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