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BVP Medical BVP Medical Solved Paper-2015

  • question_answer
    \[2N{{H}_{3}}+3{{O}_{2}}\xrightarrow{A}2NO_{2}^{-}+2{{H}^{+}}+2{{H}_{2}}O\]\[2NO_{2}^{-}+{{O}_{2}}\xrightarrow{B}2NO_{3}^{-}\]Identify the organism  and [B] involved in the above reactions respectively.

    A)  Thiobacillus, Pseudomonas

    B)  NitrosomGnas, Nitrococcus

    C)  Nitrococcus, Nitrobacter

    D)  Azotobacter, Nitrococcus

    Correct Answer: C

    Solution :

                    Correct answer is . Nitrococcus is a microorganism responsible for the conversion of ammonia to nitrate during nitrogen- fixation. Further, oxidation is done by the microorganism nitrobacter that converts nitrites to nitrates.


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