UPSC General Studies Sample Paper General Studies Sample Paper-10

  • question_answer
    When a log is burnt we are using biomass energy, because plants and trees depend on sunlight to grow biomass energy is a form of stored solar energy. Which one of the following is/are not a way to use biomass?
    1. It can be burnt to produce heat and electricity.
    2. It can be changed to a gas-like fuel such as methane,
    3. It can be changed to a liquid fuel such as biofuels.
    Select the correct answer using the codes given below.

    A)  Only 1             

    B)  Only 2

    C)  All of these                   

    D)  None of these

    Correct Answer: D

    Solution :

    [d] There are three ways to use biomass. It can be burnt to produce heat and electricity changed to a gas like fuel such as methane, or changed to a liquid fuel. Liquid fuels also called biofuels, include two forms of alcohol ethanol and methanol. All options given above are correct, so correct answer is [d].

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