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[A]: A single mutation in one base may p...

[A]: A single mutation in one base may pro- duce a new species.
[R]: Mutations cause variation at gene level and are, therefore, inheritable

A

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion, then mark (1)

B

If both Assertion and Reason are true ,but the Reason is not the correct explanation of the Assertion, then mark (2).

C

If Assertion is true, but Reason is false , then mark (3)

D

If both Assertion and Reason are false. , then mark (4)

Text Solution

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The correct Answer is:
A
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CENGAGE BIOLOGY ENGLISH-EVOLUTION-Exercise Assertion-Reasoning Question.
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  4. Assertion : Artificial selection is highly beneficial for humans . R...

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  5. Assertion : Batesian mimicry is a form of mimicry in which can edible ...

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  6. Assertion : There is no life on moon. Reason : Water is absent on m...

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  7. Assertion : The first living organisms on earth were autotrophs. Re...

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  8. Assertion : Base analogs induce transition. Reason : Base analogs p...

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  9. Assertion : Sympatric species are geographically isolated. Reason :...

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  10. Assertion :- Somatic mutations are sometime inheritable. Reason : So...

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  11. Assertion : Plants having odd number of sets of chromosomes are fertil...

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  12. Assertion :- Colchicing induces polyploidy Reason : Colchicine cause...

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  13. Assertion : Change in structure of chromosome is called chromosomal a...

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  14. Assertion : The first life originated in water . Reason : Condition...

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  15. [A]: A single mutation in one base may pro- duce a new species. [...

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  16. [A]: Evolution is not occurring at present. [R]: Evolution is a v...

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  17. Assertion :-Analogous organs show common ancestory. Reason :-Analogo...

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  18. Assertion : Lung fish is connective link between fishes and amphibia. ...

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  19. Assertion : Bird's embryo shows tooth buds for some time. Reason : ...

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  20. Assertion : Liger in a hybrid animal. Reason : Liger is fertile.

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