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Question
Which of the following was present in primitive earth?
Which of the following was present in primitive earth?
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Solution
The correct option is B Hydrogen and methane
The primitive earth is thought to be highly reducing in nature due to the absence of oxygen. Hydrogen and methane predominated the atmosphere and caused the condensation of various biomolecules. This theory was forwarded by Oparin and Haldane which accounts for the chemical evolution of life. It was proved by Urey and Miller through an experimental set-up that mimicked the primitive earth conditions and resulted in the formation of amino acids.Hence, the correct answer is 'Hydrogen and methane'
The primitive earth is thought to be highly reducing in nature due to the absence of oxygen. Hydrogen and methane predominated the atmosphere and caused the condensation of various biomolecules. This theory was forwarded by Oparin and Haldane which accounts for the chemical evolution of life. It was proved by Urey and Miller through an experimental set-up that mimicked the primitive earth conditions and resulted in the formation of amino acids.
Hence, the correct answer is 'Hydrogen and methane'
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