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Viviparity is considered to be more evol...

Viviparity is considered to be more evolved because

A

The young ones are left on their oen

B

The young ones protected by a thic shell

C

The young ones protected inside the mother's body nd are looled after the they are born leading to more chances of survival

D

The embryo takes a long time to develop

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ALLEN-ORIGIN & EVOLUTION OF LIFE-EXERCISE-III A(NCERT BASED QUESTIONS)
  1. Appearance of antibiotic-resistant bacteria is an example of

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  2. Evolution of life shows that life had a trend of moving from

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  3. Viviparity is considered to be more evolved because

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  4. Fossils are generally found in

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  5. For the MN-blood group system. The frequencies of M and N alleles are ...

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  6. Which type of selection is industrial melan- ism observed in moth, Bis...

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  7. The most accepted line of descent in human evolution is

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

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  9. Match the scientists listed under Column 'A' with ideas listed under c...

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  10. In 1953 SL Miller created primitive earth conditions in the laboratory...

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  11. Variations during mutations of meiotic recombinations are

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  12. The scientist who came about with the same ideas that of the Drawin

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  13. According to Darwin, the term fitness refers to :

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  14. Dead remains of organisms found in the earth crust are the:

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  15. When more than one adaptive radiations appear in an isolated geographi...

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  16. Who gave the theory of Genetic equlibrium ?

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  17. Giraff'e neck and forelimbs get elongated during the course of evolut...

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  18. The first mammals which were originated on the earth similar to:

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  19. The first human being like prehistoric man was :

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  20. The type of natural selection in which after the selection of trains b...

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