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Organic evolution refers to a change in ...

Organic evolution refers to a change in diversity and ......... in populations of organisms.

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Explore conceptually related problems

Assertion: Variations are important for the process of evolution. Reason: Meiosis increases the genetic variability in the population of organisms from one generation ot the next.

Assertion : Parthenogenesis does not play any role in organic evolution. Reason : In parthenogenesis females develop into new organisms without fertilisation.

Write the formula for the change in population density.

Frequency of an allele may change in isolated population due to:

Naming of organisms is called biodiversity.

Direct evidences of organic evolution are provided by ....

Assertion : Metabolism refers to the sum of chemical reaction that occur within living organisms. Reason : Metabolic reactions occur simultaneously inside living organisms.

Assertion : Systematics is defined as the science of diversity of organisms in evolutionary context. Reason : Systematics include interrelationship between organisms.

ARIHANT PUBLICATION-EVOLUTION-ODISHA BUREAU.S TEXTBOOK SOLUTIONS (Very Short Answer Type Questions )
  1. Which is not a great ape?

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  2. What is the correct sequence of human evolution?

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  3. Organic evolution refers to a change in diversity and ......... in pop...

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  4. The concept of chemical evolution was proposed by JBS Haldane and a Ru...

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  5. Charles Robert Darwin hailed from....... .

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  6. Charles Robert Darwin went on a voyage on board the ship ....... .

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  7. Jean Baptiste de Lamarck wrote a book, entitled ....... which embodied...

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  8. Charles Darwin was inspired by the population theory proposed by ........

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  9. Darwin's contemporary .......... was studying population diversity in ...

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  10. Mutation theory was proposed by:

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  11. Which Greek philosopher said 'Life has originated and evolved from sea...

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  12. A gene mutation involving only one nucleotide is called as .............

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  13. Abiogenesis of simple organic molecules was experimentally proved by ....

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  14. The 'theory of inheritance of acquired characters was proposed by .......

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  15. August Weismann's ............ theory gave a thunder blow to Lamarckis...

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  16. Charles Darwin studied the diversity of a class of birds, commonly kno...

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  17. The original title of Darwin's book was ............. .

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  18. Natural selection in action was demonstrated by ........ Moth.

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  19. The earliest form of horse was ....... that was livingg in the plains ...

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  20. The fossil of ......... discovered from the sedimentary rocks of Bavar...

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