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Which of the following statements about ...

Which of the following statements about natural selection are correct?
(i) Tends to increase the characters that enhance survival and reprocution
(ii) Inviduals with better adaptive ability leave more progeny
(iii) Was considered as mechanism of evolution by Darwin

A

(i), (ii), (iii) and (iv)

B

(i) and (ii)

C

(iii) and (iv)

D

(i), (iii) and (iv)

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-EVOLUTION-EXERCISE - I (BIOLOGICAL EVOLUTION ( THEORIES OF EVOLUTION & MECHANISM OF EVOLUTION))
  1. New species arise by sudden jump according to

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  2. There are no intermediate stages in the course of evolution according ...

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  3. According to Darwin, if new variations are to be inherited they should...

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  4. Hugo de Vries gave his mutation theory on organic evolution while work...

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  5. The most likely reason for the development of resistance against pesti...

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  6. Which one of the following scientist's name is correctly matched with ...

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  7. Which of the following evidences does not favour the lamarckian concep...

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  8. The diversity in the type of beaks of finches adapted to different fee...

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  9. Darwinism explains all the following except

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  10. Given below are four statements (A-D) each with one or two blanks. Sel...

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  11. Single step large mutation leading to speciation is also called

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  12. By the statement 'survival of the fittest', Darwin meant that

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  13. Which of the following are the two key concepts of Darwinian theory of...

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  14. According to Lamarckism, long necked giraffes evolved because

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  15. Each of us is part of the ongoing evolution of the species which of th...

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  16. Which of the following statements about natural selection are correct?...

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  17. Replacement of the lighter-coloured variety of peppered moth (Biston b...

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  18. Appearance of antibiotic-resistant bacteria is an example of

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  19. Which of the following is an example for link species?

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  20. Variations during mutations of meiotic recombinations are

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