The first non-cellular form of life coul...

The first non-cellular form of life could have originated ____ billion years back

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

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In the solar system of the milky way galaxy, earth was supposed to have been formed about…… billion years back

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

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[A]: The first life orginated was chemo-het- erotrophic. [R]: The first life originated in sea water.

A machine costs 5,00,000. If its value depreciates 15% in the first year, 13 (1/2) % in the second year, 12% in the third year and so on. What will be its value at the end of 10 years, when all the percentages will be applied to the original cost? [Total depression =15 + 13(1/2) + 12+ ......10 terms S_(n) = 10/2[30-13.5] = 82.5% therefore after 10 years original cost = 100 - 82.5 = 17.5, i.e. 17.5% of 5,00,000.

TRUEMAN BIOLOGY-EVOLUTION-MULTIPLE CHOICE QUESTIONS

In 1953, S.L. miller, an American scientist, created electric discharg...
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In simimlar experiments like Miller's experiment, which products were ...
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The first non-cellular form of life could have originated billion yea...
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Which one of the following amino-acids was not found to be synthesized...
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Which cannot be explained by Lamarckism ?
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Major radiation of mammals, birds and pollinating insects took place i...
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Jurassic period of the Mesozoic era is characterised by
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Hardy-Weinberg principle explains :
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Resemblance between widely different groups due to a common adaptation...
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Which one of the following is not a living fossil
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Darwin finches are related to which of the following evidences ?
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Arrange the periods of palaeozoic era in ascending order in a geologic...
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Industrial melanism as observed in peppered moth proves that
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Plants and animals of Galapagos islands resemble most closely to plant...
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Change of frequency of alleles in a population results in evolution is...
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Which of the following defines Hardy-Weinberg's law?
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Hardy-Weinberg equilibrium is known to be affected by gene flow, genet...
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An evolutionary process giving rise to new species adapted to new habi...
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Higher frequency of melanie British moths and DDT resistance in mosqui...
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Transfer of genes from one gene pool to another is called :
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