UPSC Prelims 2013 · Question 63 of 99

UPSC Prelims 2013 question on Sugar Industry by Products

With reference to the usefulness of the by-products of sugar industry, which of the following statements is/are correct?

1. Bagasse can be used as biomass fuel for the generation of energy.
2. Molasses can be used as one of the feedstocks for the production of synthetic chemical fertilizers.
3. Molasses can be used for the production of ethanol.

Select the correct answer using the codes given below:

  1. 1 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3
Show answer

Answer: D. 1, 2 and 3

Analysis

Bagasse, the fibrous residue left after extracting juice from sugarcane, is widely used as biomass fuel for generating electricity in sugar mills. Molasses, another by-product of the sugar industry, is commonly used in the production of ethanol and industrial alcohol. It is not generally used as a direct feedstock for synthetic chemical fertilizers. Therefore, statements 1 and 3 are correct.

Extra UPSC info

Ethanol blending with petrol is promoted in India to reduce fuel imports and carbon emissions.

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