Renewable Energy PYQs

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1. Prelims 2026Q70Renewable Energy

   Which of the following statements with regard to Green Hydrogen is/are correct ?

   1.It is decarbonized hydrogen obtained from natural gas reforming combined with carbon capture and storage (CCS).

   2.It is produced using electrolysis of water with electricity generated by renewable energy.

   3.National Green Hydrogen Mission of India aims for abatement of nearly 50 MMT of annual greenhouse gas emissions by 2030.

   Select the answer using the code given below :

   a1 onlyb2 and 3 onlyc2 onlyd1, 2 and 3
2. Prelims 2025Q41Renewable Energy

   Consider the following types of vehicles :

   I.Full battery electric vehicles

   II.Hydrogen fuel cell vehicles

   III.Fuel cell-electric hybrid vehicles

   How many of the above are considered as alternative powertrain vehicles?

   aOnly onebOnly twocAll the threedNone
3. Prelims 2025Q70Renewable Energy

   Consider the following statements about 'PM Surya Ghar Muft Bijli Yojana' :

   I.It targets installation of one crore solar rooftop panels in the residential sector.

   II.The Ministry of New and Renewable Energy aims to impart training on installation, operation, maintenance and repairs of solar rooftop systems at grassroot levels.

   III.It aims to create more than three lakhs skilled manpower through fresh skilling, and up-skilling, under scheme component of capacity building.

   Which of the statements given above are correct?

   aI and II onlybI and III onlycII and III onlydI, II and III
4. Prelims 2024Q27Renewable Energy

   Consider the following :

   1.Battery storage

   2.Biomass generators

   3.Fuel cells

   4.Rooftop solar photovoltaic units

   How many of the above are considered "Distributed Energy Resources" ?

   aOnly onebOnly twocOnly threedAll four
5. Prelims 2024Q38Renewable Energy

   Recently, the term "pumped-storage hydropower" is actually and appropriately discussed in the context of which one of the following ?

   aIrrigation of terraced crop fieldsbLift irrigation of cereal cropscLong duration energy storagedRainwater harvesting system
6. Prelims 2024Q46Renewable Energy

   Consider the following materials :

   1.Agricultural residues

   2.Corn grain

   3.Wastewater treatment sludge

   4.Wood mill waste

   Which of the above can be used as feedstock for producing Sustainable Aviation Fuel ?

   a1 and 2 onlyb3 and 4 onlyc1, 2, 3 and 4d1, 3 and 4 only
7. Prelims 2023Q60Renewable Energy

   With reference to green hydrogen, consider the following statements :

   1.It can be used directly as a fuel for internal combustion.

   2.It can be blended with natural gas and used as fuel for heat or power generation.

   3.It can be used in the hydrogen fuel cell to run vehicles.

   How many of the above statements are correct?

   aOnly onebOnly twocAll threedNone
8. Prelims 2023Q99Renewable Energy

   Consider the following heavy industries :

   1.Fertilizer plants

   2.Oil refineries

   3.Steel plants Green hydrogen is expected to play a significant role in decarbonizing how many of the above industries?

   aOnly onebOnly twocAll threedNone
9. Prelims 2022Q84Renewable Energy

   Consider the following statements :

   1.Gujarat has the largest solar park in India.

   2.Kerala has a fully solar powered International Airport.

   3.Goa has the largest floating solar photovoltaic project in India.

   Which of the statements given above is/are correct ?

   a1 and 2b2 onlyc1 and 3d3 only
10. Prelims 2020Q84Renewable Energy

    According to India's National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels ?

    1.Cassava

    2.Damaged wheat grains

    3.Groundnut seeds

    4.Horse gram

    5.Rotten potatoes

    6.Sugar beet

    Select the correct answer using the code given below :

    a1, 2, 5 and 6 onlyb1, 3, 4 and 6 onlyc2, 3, 4 and 5 onlyd1, 2, 3, 4, 5 and 6
11. Prelims 2020Q88Renewable Energy

    With reference to solar water pumps, consider the following statements :

    1.Solar power can be used for running surface pumps and not for submersible pumps.

    2.Solar power can be used for running centrifugal pumps and not the ones with piston.

    Which of the statements given above is/are correct ?

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
12. Prelims 2019Q43Renewable Energy

    In the context of proposals to the use of hydrogen-enriched CNG (H-CNG) as fuel for buses in public transport, consider the following statements :

    1.The main advantage of the use of H-CNG is the elimination of carbon monoxide emissions.

    2.H-CNG as fuel reduces carbon dioxide and hydrocarbon emissions.

    3.Hydrogen up to one-fifth by volume can be blended with CNG as fuel for buses.

    4.H-CNG makes the fuel less expensive than CNG.

    Which of the statements given above is/are correct?

    a1 onlyb2 and 3 onlyc4 onlyd1, 2, 3 and 4
13. Prelims 2018Q67Renewable Energy

    With reference to solar power production in India, consider the following statements :

    1.India is the third largest in the world in the manufacture of silicon wafers used in photovoltaic units.

    2.The solar power tariffs are determined by the Solar Energy Corporation of India.

    Which of the statements given above is/are correct ?

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
14. Prelims 2017Q22Renewable Energy

    It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry ?

    1.Production of algae based biofuels is possible in seas only and not on continents.

    2.Setting up and engineering the algae based biofuel production requires high level of expertise/technology until the construction is completed.

    3.Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns.

    Select the correct answer using the code given below :

    a1 and 2 onlyb2 and 3 onlyc3 onlyd1, 2 and 3
15. Prelims 2017Q27Renewable Energy

    The term 'Domestic Content Requirement' is sometimes seen in the news with reference to

    aDeveloping solar power production in our countrybGranting licences to foreign T.V. channels in our countrycExporting our food products to other countriesdPermitting foreign educational institutions to set up their campuses in our country
16. Prelims 2016Q36Renewable Energy

    'Net metering' is sometimes seen in the news in the context of promoting the

    aproduction and use of solar energy by the households/consumersbuse of piped natural gas in the kitchens of householdscinstallation of CNG kits in motor-carsdinstallation of water meters in urban households
17. Prelims 2016Q78Renewable Energy

    On which of the following can you find the Bureau of Energy Efficiency Star Label?

    1.Ceiling fans

    2.Electric geysers

    3.Tubular fluorescent lamps

    Select the correct answer using the code given below.

    a1 and 2 onlyb3 onlyc2 and 3 onlyd1, 2 and 3
18. Prelims 2016Q81Renewable Energy

    Consider the following statements :

    1.The International Solar Alliance was launched at the United Nations Climate Change Conference in 2015.

    2.The Alliance includes all the member countries of the United Nations.

    Which of the statements given above is/are correct?

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
19. Prelims 2015Q95Renewable Energy

    With reference to ‘fuel cells’ in which hydrogen-rich fuel and oxygen are used to generate electricity, consider the following statements :

    1.If pure hydrogen is used as a fuel, the fuel cell emits heat and water as by-products.

    2.Fuel cells can be used for powering buildings and not for small devices like laptop computers.

    3.Fuel cells produce electricity in the form of Alternating Current (AC).

    Which of the statements given above is/are correct?

    a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
20. Prelims 2014Q7Renewable Energy

    With reference to technologies for solar power production, consider the following statements :

    1.'Photovoltaics' is a technology that generates electricity by direct conversion of light into electricity, while 'Solar Thermal' is a technology that utilizes the Sun's rays to generate heat which is further used in electricity generation process.

    2.Photovoltaics generates Alternating Current (AC), while Solar Thermal generates Direct Current (DC).

    3.India has manufacturing base for Solar Thermal technology, but not for Photovoltaics.

    Which of the statements given above is/are correct?

    a1 onlyb2 and 3 onlyc1, 2 and 3dNone
21. Prelims 2012Q12Renewable Energy

    Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context, which of the following statements is/are correct?

    1.Coconut shells, groundnut shells and rice husk can be used in biomass gasification.

    2.The combustible gases generated from biomass gasification consist of hydrogen and carbon dioxide only.

    3.The combustible gases generated from biomass gasification can be used for direct heat generation but not in internal combustion engines.

    Select the correct answer using the codes given below :

    a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
22. Prelims 2011Q7Renewable Energy

    Microbial fuel cells are considered a source of sustainable energy. Why?

    1.They use living organisms as catalysts to generate electricity from certain substrates.

    2.They use a variety of inorganic materials as substrates.

    3.They can be installed in waste water treatment plants to cleanse water and produce electricity.

    Which of the statements given above is/are correct?

    a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
23. Prelims 2010Q60Renewable EnergyAnswer disputed

    Other than Jatropha curcas, why is Pongamia pinnata also considered a good option for the production of bio-diesel in India?

    1.Pongamia pinnata grows naturally in most of the arid regions of India.

    2.The seeds of Pongamia pinnata are rich in lipid content of which nearly half is oleic acid.

    Which of the statements given above is/are correct?

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
24. Prelims 2010Q63Renewable Energy

    Given below are the names of four energy crops. Which one of them can be cultivated for ethanol ?

    aJatrophabMaizecPongamiadSunflower
25. Prelims 2009Q143Renewable Energy

    In the context of alternative sources of energy, ethanol as a viable bio-fuel can be obtained from

    aPotatobRicecSugarcanedWheat
26. Prelims 2008Q13Renewable Energy

    Which one of the following Union Ministries is implementing the Biodiesel Mission (as Nodal Ministry)?

    aMinistry of AgriculturebMinistry of Science and TechnologycMinistry of New and Renewable EnergydMinistry of Rural Development
27. Prelims 2005Q32Renewable EnergyAnswer disputed

    For which one of the following, is Satara well-known?

    aThermal power plantbWind energy plantcHydro-electric plantdNuclear Power plant
28. Prelims 2000Q35Renewable Energy

    Match List I (Power generation plant) with List II (Feed material) and select the correct answer using the codes given below the Lists:

    List I

    I.M/s Gowthami Solvents Oil Limited, Andhra Pradesh

    II.M/s KM. Sugar Mills, Uttar Pradesh

    III.M/s Satia Paper Mills, Punjab

    IV.M/s Al Kabeer Exports Limited, Andhra Pradesh

    List II

    A) Rice husk

    B) Slaughter-house waste

    C) Distillery spent wash

    D) Black liquor

    Codes:

    aI-C, II-A, III-B, IV-DbI-C, II-A, III-D, IV-BcI-A, II-C, III-D, IV-BdI-A, II-C, III-B, IV-D
29. Prelims 1996Q123Renewable Energy

    Consider the following statements: At the present level of technology available in India, solar energy can be conveniently used to

    I.Supply hot water to residential buildings.

    II.Supply water for minor irrigation projects.

    III.Provide street lighting.

    IV.Electrify a cluster of villages and small towns.

    Of these statements

    aI, II, III and IV are correctbI and IV are correctcI and III are correctdI, II and III are correct
30. Prelims 1995Q117Renewable Energy

    Which one of the following fuels causes minimum environmental pollution?

    aDieselbCoalcHydrogendKerosene