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What was the nature of atmosphere on the...

What was the nature of atmosphere on the primitive earth?

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What was the kind of atmosphere on the primitive earth?

Which of the following event of organic evolution was a turning point that changed the nature of atmosphere of primitive earth?

Knowledge Check

  • The correct sequence for the manufacture of the gases on the primitive earth is

    A
    `NH_(3)`, nucleic acid, protein and carbohydrate
    B
    Protein, carbohydrate, water and nucleic acid
    C
    `NH_(3)` protein, carbohydrate and nucleic acid
    D
    `NH_(3)`, water , cucleic acid and protein.

  • Atmosphere of the primitive earth was characterised by:

    A
    Abundance of `NH_3` and `CO_2`
    B
    Absence of oxygen
    C
    Absence of radiation belt
    D
    All of these

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    What is the role of atmosphere in nature?

    Which gas was absent in the atmosphere of primitive earth?

    The correct sequence for the manufacture of the compounds on the primitive earth is

    Stanley Miller and Harold Urey performed and experiment by recreating in the laboratory the probable conditions of the atmosphere of the primitive earth. What was the aim of the experiment?

    Stanley Miller and Harold Urey performed and experiment by recreating in the laboratory the probable conditions of the atmosphere of the primitive earth. In what forms was the energy supplied for chemical ractions to occur ?

    Stanley Miller and Harold Urey performed and experiment by recreating in the laboratory the probable conditions of the atmosphere of the primitive earth. For how long was the experiment run continuously? Name two products formed.

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