Origin of life — Important Questions
ICSE · Class 12 · Biology
103 important questions from Origin of life for ICSE Class 12 Biology, with answers. Includes multiple choice and true false questions.
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Important Questions from Origin of life
The theory of spontaneous generation was supported by:
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Aristotle and Van Helmont
Aristotle (384–322 BC) and Van Helmont (1577–1644) supported spontaneous generation — the idea that life arises from non-living matter.
Pasteur's experiment used a:
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Swan-necked (S-shaped) flask
Pasteur used flasks with S-shaped necks. Air could enter, but organisms in the air were trapped at the bend, keeping the broth sterile.
The biochemical origin of life theory was proposed by:
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Oparin and Haldane
Aleksander I. Oparin (1924) and J.B.S. Haldane (1929) independently proposed the biochemical origin of life theory.
Haldane described the primitive ocean as:
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Hot dilute soup
Haldane called the primitive organic molecule-rich ocean the 'hot dilute soup' — emphasising its warm temperature and dilute concentration of organic compounds.
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