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Origin of life on earth today is prevent...

Origin of life on earth today is prevented due to

A

Presence of living beings

B

Availability of free oxygen

C

Non-Availability of simple organic molecules

D

Presence of U-V radiation

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The correct Answer is:
B
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AAKASH SERIES-EVOLUTION-EXERCISE - III( PREVIOUS AIPMT/NEET QUESTIONS)
  1. Origin of life on earth today is prevented due to

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  2. Artificial selection to obtain cows yielding higher milk output repres...

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  3. Which of the following represents order of 'Horse' ?

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  4. Analogous structures are a result of

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

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  6. Following are the two statements regarding the origin of life I. The...

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  7. Select the wrong statement :

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  8. The wings of a bird and the wings of an insect are:

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  9. Industrial melansim in an example of :

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  10. Which of the following has the smallest brain capacity ?

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  11. Which one of the following are analogous structures?

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  12. Forelimbs of cat, lizard used in walking, fore- limbs of whale used in...

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

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  14. Variation in gene frequencies within populations can occur by chance r...

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  15. The process by which organisms with different evolutionary history evo...

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  16. The eye of octopus and eye of cat show different patterns of structure...

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  17. The extinct human who lived 1,00,000 to 40,000 years ago, In Europe , ...

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  18. What was the most significant trend in the evolution of modern man (Ho...

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  19. Evolution of different species in a given area starting from a point a...

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  20. Which one of the following options gives one correct example each of c...

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  21. What was the most significant trend in the evolution of modern man (Ho...

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