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Reptilian ancestry of birds is shown by ...

Reptilian ancestry of birds is shown by the presence of

A

Pterosaurs

B

Pleiosaurs

C

Ichthyosaurs

D

Dinosaurs

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The correct Answer is:
A
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ALLEN-ORIGIN & EVOLUTION OF LIFE-EXERCISE-II
  1. The tendency of population to remain in genetic equilibrium may be dis...

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  2. The process by which organisms with dif- ferent evolutionary history e...

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  3. According to Darwin, the organic evolution is due to

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  4. Variation in gene frequency within populations can occur by chance fat...

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  5. S.L. Miller an American scientist created electric discharge experimen...

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  6. In a population of 1000 individuals 360 be- long to genotype AA 480 to...

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  7. Forelimbs of cat, lizard used in walking forelimbs of whale used in sw...

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  8. Which one of the following are analogous structures?

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  9. Correct sequence of classification of Homo erectus is :-

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  10. Which of the following is correct sequence regarding evolution of rept...

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  11. Which of the following is closest to humans :-

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  12. Which of the following had the smallest brain capacity?

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  13. Which is the most common mechanism of genetic variation in the populat...

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  14. The wings of a bird and the wings of an insect are

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  15. Industrial melanisrn is an example of

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  16. Which of the following are most suitable indicators of SO(2) pollution...

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  17. Reptilian ancestry of birds is shown by the presence of

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  18. Which of the following structures is homologus to the wing of a bird?

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  19. Analogous structures are a result of

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  20. Following are the two statements regarding the origin of life (i) Th...

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