UPSC Prelims 2023 · Question 21 of 97

UPSC Prelims 2023 question on India Uranium Coal Dependence

Consider the following statements:

Statement-I:
India, despite having uranium deposits, depends on coal for most of its electricity production.

Statement-II:
Uranium, enriched to the extent of at least 60%, is required for the production of electricity.

Which one of the following is correct in respect of the above statements?

  1. Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I
  2. Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I
  3. Statement-I is correct but Statement-II is incorrect
  4. Statement-I is incorrect but Statement-II is correct
Show answer

Answer: C. Statement-I is correct but Statement-II is incorrect

Analysis

Hence option (c) — Statement-I is correct but Statement-II is incorrect — is the correct answer.

Statement by statement

Statement I – CORRECT: India has uranium deposits (the Atomic Minerals Directorate for Exploration and Research has established 3,82,675 tonnes in situ U3O8 across multiple states). However, major production of electricity in India is achieved through coal based thermal power plants which is around 75% of the total power generation.

Statement II – INCORRECT: Uranium enriched to concentrations above 0.7% but less than 20% uranium-235 is defined as low enriched uranium (LEU). Most nuclear reactors use LEU that is about 3-5% uranium-235. Uranium enriched to more than 20% uranium-235 is defined as highly enriched uranium (HEU). 60% enrichment is not required for electricity production.

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