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Life originated in the...

Life originated in the

A

8 billion years ago

B

6 bilion years ago

C

4 bilion years ago

D

1 bilion years ago

Text Solution

Verified by Experts

The correct Answer is:
C
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ALLEN-ORIGIN & EVOLUTION OF LIFE-EXERCISE-IV (ASSERTION & REASON)
  1. Life originated in the

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  2. Assertion :- Charles Robert Darwin strongly challanged the ideas of sp...

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  3. Assertion :- The geologcial histroy of earth closely correlates with t...

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  4. Assertion :- Any population has built in variation in characteristics....

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  5. Read the following statements carefully and select the correct ones. ...

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  6. Assertion :- Fossils are always remains of hard parts of life -forms f...

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  7. Assertion :- Birds and dinosaurs are close relatives to each other. ...

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  8. Assertion :- In England, before industrialisation, it was observed tha...

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  9. Assertion :- In a mixed population those that can better-adapt, surviv...

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  10. Assertion :- Australian marsupials can be taken as an example of adapt...

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  11. Assertion :- Tasmanian wolf and Placental wolf are the good example of...

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  12. Assertion :- The rate of appearance of new forms is liked to the life ...

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  13. Assertion :- According to Lamarck, evolution of life forms had occured...

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  14. Assertion :- According to Hugo de Vries , it is mutation which causes ...

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  15. Assertion :- Due to continental drift pouched mammals of Australia sur...

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  16. Assertion :- Big-Bang theory talks of a singular huge explosion unimag...

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  17. Assertion :- All mammals like whales, bats cheetah and human etc. shar...

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  18. Assertion :- Branching descent and Natural selection are the two key c...

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  19. Assertion :- Analogous structures are a result of convergent evolution...

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  20. Assertion :- The original drifted population in new habitat becomes fo...

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  21. Assertion :- Homologous organs suggest same origin. Reason :- Organs...

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