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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-35

  • question_answer
    Physico-chemical characteris- tics of water in water sources undergo changes due to

    A)  aquatic macrophytes

    B)  aquatic fungi

    C)  effluents           

    D)  evapotranspi ration

    Correct Answer: A

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