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According of Darwin, the organic evoluti...

According of Darwin, the organic evolution is due to

A

Competition within closely ralated species

B

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

C

Intraspecific competition

D

Interspecific competition

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Verified by Experts

The correct Answer is:
A
According to Darwin Organic evolution is due to both interspecific and intraspecific competition.
Moreover Competition between closely related species, means interspecific competition Thus option (a), (c) and (d) are all correct. CBSE has also taken all these three options as correct option.
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TRUEMAN BIOLOGY-EVOLUTION-MULTIPLE CHOICE QUESTIONS
  1. Which of the following is a vestigial structure in man ?

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  2. Which of the following statements is incorrect?

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

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  4. The tendency of population to remain in genetic equilibrium may be dis...

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

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

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

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  8. Which one of the following are analogous structures

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  9. Forelmbs of cat, lizard used in walking, forelimbs of whale used in sw...

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

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  11. A population will not exist in Hardly-Weinberg equilbrium if

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

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  13. Industrial melanism is an example of

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  14. Which of the following structures is homologous to the wing of a bird?...

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  15. Following are the two statements regarding the origin of life : i." ...

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  16. Analogous structures are a result of

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  17. In 1863 T.A Huxley mentioned in his book "Man's Place in Nature" that ...

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  18. In 1871, Charles Darwin described in his book "The Descent of Man" tha...

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  19. Carolus Linnaeus, the Father of Taxonomy placed man among the

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  20. The earliest site where human civilization and crop cultivation starte...

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