SSC Ecology And Environment Sample Paper NCERT Sample Paper-3

  • question_answer
    Biofuels are fuels extracted from plants and crops and these have various advantages. These include
    1. Increasing agricultural diversity.
    2. Reduced use of fertilizers.
    3. Renewable source of energy.
    Select the correct answer using the codes given below.

    A)  1 and 3 only    

    B)  3 only

    C)  2 and 3 only    

    D)  1, 2 and 3

    Correct Answer: B

    Solution :

    [b] Biofuels may lead to monoculture where farmers will prefer cultivating such crops which can be used in making biofuels. Fertilizers used in such crops will only increase the fertilizer use. Biofuels are renewable source and this is their advantage compared to non-renewable fossil fuels.

You need to login to perform this action.
You will be redirected in 3 sec spinner