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

[UPSC Civil Services Exam – 2013 Prelims]

(a) 1 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) 1, 2 and 3


Answer: (d)

Explanation:

  • Bagasse:
    • Production – Bagasse is the fibrous residue left after extracting juice from sugarcane or sorghum.
    • Uses:
      • Fuel – Sugar mills use it as a primary fuel source to generate heat energy and electricity. It is also used to produce ethanol, which is a popular fuel in some countries.
      • Pulp, Paper, and Board Production – In countries like India, China, Thailand, etc., it is used as a substitute for wood in the production of pulp, paper, and board.
      • Cattle Feed – Bagasse can be used as cattle feed when mixed with molasses and enzymes and then fermented.
    • Molasses:
      • Production – Molasses is the thick syrup that results from the refining of sugarcane or sugar beets into sugar.
      • Uses:
        • Sweetening and Flavouring Foods – Molasses is used to sweeten and flavour a variety of foods.
        • Commercial Brown Sugar Production – It is used in the production of fine commercial brown sugar.
        • Baking and Cooking – Molasses is used in baking and cooking.
        • Ethanol Production – It is a prime ingredient in the distillation of rum and brewing beer.
        • Cattle Feed – Molasses is also used as a feed for cattle as it contains a good amount of vitamin B6 and minerals like calcium, magnesium, iron, and manganese.

Therefore, option (d) is the correct answer.

Consider the following statements:                                                                   The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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Consider the following statements:                                                         The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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