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In 1953 S.L. Miller created primitive ea...

In 1953 S.L. Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life pre-existing non-living organic molecules. The primitive earth condition created include

A

Low temperature, volcanic storms, atmosphere rich in oxygen

B

Low temperature, volcanic storms, reducing atmosphere

C

High temperature, volcanic storms, non-reducing atmosphere

D

High temperature, volcanic storms. Reducing atmosphere containing `CH_(4), NH_(3)` etc

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The correct Answer is:
D
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In 1953 S.L. Miller created primitive earth conditions in the labortory and gave experimental evidence for origin of first form of life from pre-existing non-living. Organic molecuels. The primitve earth condition created include.

Who proposed that the first form of life could have come from pre-existing non-living organic molecules ?

Who proposed that the first form of life could have come from pre-existing non-living organic molecules ?

Who propsed that the first form of life could have come from pre-existing non-living organic molecules?

Miller created similar conditions in a laboratory scale for explaining the origin of life . The combination ratio of gases CH_4, H_2 and NH_3 is

Which of these did Stanley Miller put in his experimental system to show that organic molecules could have arisen from inorganic molecules on the primitive Earth?

Chemical theory of origin of life was given by Or Who proposed that the first form of life could have come from pri-existing non living organic molecules

Which of these did Stanley Miller place in his experimental system to show that the organic molecules could have arisen from the inorganic molecules on the primitive earth?

State in what ways Stanley Miller simulated the conditions of : (i)primitive atmosphere on earth (ii)energy source at the time of origin of life , and (iii)formation of organic molecules of life to prove the theory of chemical evolution ?

Consider the following three statements and select the correct option stating which one is true (T) and which one is false (F). (i) Oparin of Russia and Haldane of England proposed that the first form of life could have come from pre-existing nonliving organic molecules (e.g, RNA, protein etc.) and that formation of life was preceded by schemical evolution. (ii) Based on observations made during a sea voyage around the world. Charies Darwin concluded that existing living forms share similarities to varying degrees only among themselves. (iii) Evolution by natural selection must have started when cellular forms of life with different metabloic cpability originated on Earth.

MOTION-EVOLUTION-Exercise - 2
  1. Which of the following is an example for link species?

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

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  3. In 1953 S.L. Miller created primitive earth conditions in the laborato...

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  4. Variations during mutations of meiotic recombinations are

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  5. The naturalist who came about with the same ideas that of the Darwin

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  6. According to Drawin, the term fitness refers to :

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  7. Dead reamins of organisms found in the earth crust are the:

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

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  9. Who gave the theory of Genetic equlibrium ?

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  10. Giraffe's neck and forelimbs get elongated during the course of evolut...

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  11. The first mammals were like a :-

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  12. The first human being like prehistoric man was :

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  13. In which type of natural selection two peaks are form:

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  14. Which of the following statement is correct ?

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  15. Which of the following is not amongst the evolutionary line of mammals...

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  16. Before industrialization set in England :

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  17. Proper burial of dead bodies, for the first time started which prehist...

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  18. Homo sapines arose in and moved across continents and developed into...

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  19. Who lived in near est and central Aisa between 1,00,000-40,000 years b...

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  20. How many of the following are examples of homologus structures in plan...

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