HARD
Earn 100

Draw a labelled diagram of Urey and Miller experiment.
Important Questions on Evolution

MEDIUM
(i) The earliest organisms that appeared on the earth were non-green 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?

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HARD


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MEDIUM
Fill in the blank with the correct option provided in the bracket.
'Theory of Biogenesis' was supported by _____(Louis Pasteur/Lamarck/Weisman).

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MEDIUM

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