Multiple choice

As biofuels are derived from living matter, so they have various advantages which include

  1. reduced use of fertilizers
  2. increasing agricultural diversity
  3. renewable source of energy

Select the correct answer using the codes given below.

  1. 1 and 3 only

  2. 3 only

  3. 2 and 3 only

  4. 1, 2 and 3
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Options 1 and 2 are incorrect as: Bio-fuels may lead to monoculture which refers to practice of producing the same crops year after year. Thus, they do not increase agricultural diversity. Also bio-fuels are produced from crops and these crops need fertilizers to grow better. Thus, they do not reduce the use of fertilizer.

Only option 3 is correct as: Biofuels are renewable source and this is their advantage compared to non-renewable fossil fuels.

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