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Following are the two statements regardi...

Following are the two statements regarding the origin of life
I. The earliest organisms that appeared on the earth were nongreen and presumably anaerobes.
II. The first autotrophic organisms were the chemoautotrophs that never released oxygen.
Of the above statements which one of the following options is correct?

A

Both I and II are correct.

B

Both I and II are false.

C

I is correct but II is false.

D

II is correct but I is false

Text Solution

Verified by Experts

The correct Answer is:
A

Both I and II are correct.
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Following are the two statements regarding the origin of life : A. " " The earliest organisms that appeared on the earth were non-green and presumably anaerobes. B. " " The first autotrophic organisms were the chemoautotrophs that never relesed oxygen. Of the above statements which one of the following options is correct ?

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ICSE-EVOLUTION-COMPETITION CORNER (OBJECTIVE TYPE QUESTIONS) (Multiple Choice Questions (MCQs))
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  2. Which one of the following was not explained by the Darwinism?

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  3. Which of the following stood erect first?

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  4. Name given to fossil hominid of Shivalik hills in India is

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  5. The most recent and direct prehistoric ancestor

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  6. The chronological order of human evolution from early to the recent is

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  7. 'Origin of Species' was written by

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  8. Wings of insects and birds are

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  9. In the early earth, organic acids were produced by the combination of ...

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  10. Darwin's finches are a good example of:

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  11. Single step large mutation leading to speciation is also called

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  12. The primate, which existed 15 million years ago, among these was

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  13. The scientific name of Java man is

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  14. Organisms called Methanogens are the most abundant in a

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  15. What was the most significant trend in the evolution of modern man (Ho...

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  16. Which of the following had the smallest brain capacity?

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  17. A population will not exist in Hardy - Weinberg equilibrium if

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  18. Which of the following structures is analogous to the wing of a bird?

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  19. Analogous structures are a result of

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  20. Following are the two statements regarding the origin of life I. The...

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