NEET Biology The Living World / जीव जगत Question Bank Assertion and Reason

  • question_answer
    Assertion                :       Miller used four gases-methane, oxygen, hydrogen and water vapour for formation of simple organic compounds.            Reason        :       He prepared some amino acids in his apparatus.

    A)             If both the assertion and the reason are true and the reason is a correct explanation of the assertion

    B)             If both the assertion and reason are true but the reason is not a correct explanation of the assertion 

    C)             If the assertion is true but the reason is false

    D)             If both the assertion and reason are false

    E) If the assertion is false but reason is true

    Correct Answer: E

    Solution :

                                             (e)       Miller circulated four gases-methane, ammonia, hydrogen and water vapour in an air tight apparatus and passed electrical discharges from electrodes. He passed the mixture through a condenser. He circulated the gases continuously in this way for one week and then analysed the chemical composition of the liquid inside the apparatus. He found a large number of simple organic compounds including some aminoacids such as alanine, glycine and aspartic acid.


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