SSC Sample Paper SSC (Group-C) Sample Test Paper-1

  • question_answer
    BOD, a measure of organic impurities stands for:

    A)  Biodegradable oxygen demand

    B)  Bioresistant oxygen demand

    C)  Biological 05ygen demand

    D)  Biochemical oxygen demand  

    Correct Answer: D

    Solution :

     Biochemical oxygen demand or B.O.D is the amount of dissolved oxygen needed by aerobic biological organisms in a body of water to break down organic material present in a given water sample at certain temperature over a specific time period.


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