Panspermia and chemical evolution — task. Science State Board, Class 10.

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Choose the correct answer:
[Note: There may be more than one answer to some questions.]

1. The cosmozoic theory received tremendous support due to the fossils of __________ found in meteorites in __________.

microorganisms, 1961
microorganisms, 1962
plants, 1953
animals, 1951

2. In Miller and Urey experiment the reducing environment of the atmosphere is artificially created by __________.

Organic substances such as urea, lactic acid, hydrogen cyanide and acetic acid
Electric discharge that donated protons
Gases such as methane, ammonia, hydrogen and water vapour
Electric discharge that donated electrons

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