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According to Darwin, the organic evoluti...

According to Darwin, the organic evolution is due to

A

Reduced feeding efficiency in one species due to the presence of interfering species

B

Intraspecific competition

C

Interspecific competition

D

Competition within closely related species

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The correct Answer is:
C
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Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements. (A) Wings of butterfly and birds look alike and are the results of i evolution. (B) Miller showed that CH_(4), H_(2),NH_(3) and i when exposed to electric discharge in a flask resulted in formation of ii (C) Vermiform appendix is a i organ and an ii evidence of evolution. (D) According to Darwin, evolution took place due to i and ii or the fittest.

Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements. (A) Wings of butterfly and birds look alike and are the results of i evolution. (B) Miller showed that CH_(4), H_(2),NH_(3) and i when exposed to electric discharge in a flask resulted in formation of ii (C) Vermiform appendix is a i organ and an ii evidence of evolution. (D) According to Darwin, evolution took place due to i and ii or the fittest.

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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