Q130. The Tehri hydropower project is located on which river?
[DSSSB Court Attendant, 12 June 2026]
(A) Alaknanda
(B) Kosi
(C) Bhagirathi
(D) Kali
Answer: C. Bhagirathi
Explanation: Tehri Dam stands on the Bhagirathi River in Uttarakhand. Stored water supplies hydroelectric generation and supports additional water-management functions. The Bhagirathi eventually meets the Alaknanda at Devprayag, where the combined river is called the Ganga.
Q129. Which location in Himachal Pradesh is associated with geothermal-energy studies?
[MP Police Sub-Inspector, 18 January 2026]
(A) Sundarbans
(B) Manikaran
(C) Rann of Kutch
(D) Pune plateau
Answer: B. Manikaran
Explanation: Manikaran, in the Parvati Valley, is famous for hot springs and geothermal investigations. These springs reflect underground heat and the movement of groundwater through fractures. They do not indicate a conventional coal-fired or nuclear-energy resource.
Q128. Which coal company is associated with the Talcher coalfields?
[SECL Assistant Foreman, 2 July 2026]
(A) Eastern Coalfields Limited
(B) Western Coalfields Limited
(C) Mahanadi Coalfields Limited
(D) Bharat Coking Coal Limited
Answer: C. Mahanadi Coalfields Limited
Explanation: Mahanadi Coalfields Limited operates major coal mines in Odisha, including the Talcher region. It is a subsidiary of Coal India Limited. The other firms have principal operating regions elsewhere, particularly in eastern and central India.
Q127. Which was India’s third nuclear-power generating station after Tarapur and Rajasthan?
[DSSSB MTS, 19 April 2026]
(A) Tarapur
(B) Kakrapar
(C) Narora
(D) Kalpakkam
Answer: D. Kalpakkam
Explanation: Madras Atomic Power Station at Kalpakkam in Tamil Nadu followed Tarapur and Rajasthan in India’s nuclear-power development. It uses pressurised heavy-water reactors. Kakrapar and Narora began commercial operations later than the early Kalpakkam units.
Q126. Which technology received a ₹20,000 crore allocation in the Union Budget 2026–27?
[DSSSB MTS, 27 July 2026]
(A) Carbon capture, utilisation and storage
(B) PM Surya Ghar alone
(C) National Biofuel Mission
(D) National Green Hydrogen Mission alone
Answer: A. Carbon capture, utilisation and storage
Explanation: Carbon capture, utilisation and storage seeks to trap carbon dioxide from industrial processes, use some of it or store it securely. The budgetary allocation discussed in the exam concerns decarbonising hard-to-abate industries rather than household rooftop solar alone.
Q125. Which statement about India’s E20 fuel programme is incorrect?
[UGC NET Geography, 3 January 2026]
(A) E20 contains 20% ethanol
(B) Ethanol may be made from renewable feedstocks
(C) The programme can support agricultural supply chains
(D) E20 necessarily makes emissions 65% higher
Answer: D. E20 necessarily makes emissions 65% higher
Explanation: E20 denotes petrol blended with approximately twenty percent ethanol. Ethanol can be produced from agricultural feedstocks. Environmental outcomes depend on production and use, so a blanket assertion that emissions are inevitably 65 percent higher is not justified.
Q124. Which country was identified as the world’s fourth-largest biofuel consumer in 2024?
[DSSSB MTS, 8 May 2026]
(A) United States
(B) India
(C) Brazil
(D) Indonesia
Answer: B. India
Explanation: India has increased ethanol blending and other biofuel programmes. The cited ranking places it fourth in biofuel consumption during 2024. Rankings reflect measured volumes for a particular year and should not be confused with biofuel production or export rankings.
Q123. Which important offshore oilfield lies roughly 160 km from Mumbai?
[MP Police Sub-Inspector, 17 January 2026]
(A) Cauvery Basin
(B) Mumbai High
(C) Ankleshwar
(D) Naharkatiya
Answer: B. Mumbai High
Explanation: Mumbai High is a major offshore petroleum field on the continental shelf of the Arabian Sea, west of Mumbai. Ankleshwar is in Gujarat, while Naharkatiya is an onshore Assam field. Offshore production requires platforms and pipelines.
Q122. The Singhbhum region associated with uranium mining lies in which state?
[MP Police Sub-Inspector, 19 January 2026]
(A) Himachal Pradesh
(B) Odisha
(C) Gujarat
(D) Jharkhand
Answer: D. Jharkhand
Explanation: The Singhbhum belt in Jharkhand contains important uranium deposits. Uranium is used as fuel in nuclear power after processing. India’s nuclear mineral geography also includes beach-sand monazite, which is associated with thorium resources.
Q121. Which option lists only Indian nuclear power station locations?
[MP Police Sub-Inspector, 20 January 2026]
(A) Tarapur, Rawatbhata, Kalpakkam, Narora, Kaiga, Kakrapar
(B) Tarapur, Talcher, Bokaro, Korba, Kaiga, Kakrapar
(C) Bhakra, Tehri, Tarapur, Singrauli, Kaiga, Kakrapar
(D) Raniganj, Jharia, Narora, Talcher, Korba, Kalpakkam
Answer: A. Tarapur, Rawatbhata, Kalpakkam, Narora, Kaiga, Kakrapar
Explanation: Tarapur, Rawatbhata, Kalpakkam, Narora, Kaiga and Kakrapar host nuclear electricity stations. Talcher, Bokaro, Singrauli and Korba are associated mainly with coal-based generation, while Bhakra and Tehri are hydropower projects.