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

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

Explore More

Similar Questions

Assertion $(X)$: Birds can consume food very quickly.
Reason $(Y)$: They possess a crop.

Feathers are useful in ...... .

They possess an endoskeleton characterized by porous and hollow bones.

The vertebrae of birds are . . . . . . .

Which of the following groups of animals maintain a high and constant body temperature,similar to mammals?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo