Arrange the following energy sources in India in highest to lowest order in terms of their share in energy:
(A) Renewable Energy
(B) Thermal Power
(C) Nuclear Power
(D) Hydro Power
Choose the correct answer from the options given below :
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → (B), (D), (A), (C)
The order follows the share of each source in the electricity generated in India:
(B) Thermal Power — the largest share, about 82 per cent. Thermal power plants are the mainstay of India’s power sector.
(D) Hydro Power — about 8.5 per cent.
(A) Renewable Energy — new and renewable sources such as solar and wind, about 7 per cent.
(C) Nuclear Power — the smallest share, only about 2.5 per cent.
Note 1: The order follows the book’s figures: thermal 82, hydro 8.5, new and renewable 7 and nuclear 2.5 per cent. Its chart gives these shares of electricity generated in 2016. Its text gives the same shares for thermal, hydro and nuclear power in the generation capacity of 2018. Present-day shares are different.
Note 2: This question is taken from the chapter ‘Infrastructure’ which was there in the pre-rationalised NCERT and has been deleted from subsequent editions of NCERT, including the NCERT book (2026-27). The chapter was also not in the CUET (UG) 2026 syllabus.
NCERT (Pre-rationalised): “Power/Electricity: … In India, in 2018, thermal sources accounted for 82 per cent of the power generation capacity. Hydel power accounted for 8.5 per cent, while nuclear power accounted for only 2.5 per cent. India’s energy policy encourages three energy sources — solar, hydel, and wind — as they do not rely on fossil fuel and, hence, avoid carbon emissions. Yet, this has not resulted in faster growth of electricity produced from these sources.…”
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