Energy — MPSC PYQ

Every Energy question MPSC has actually asked in Environment, 2013–2025 — 12 questions, each with the correct answer from the official MPSC key and a full explanation. Newest papers first.

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Questions per year

2025 · 2 2022 · 3 2021 · 1 2020 · 1 2017 · 1 2015 · 2 2013 · 2

MPSC Rajyaseva 2025 GS Paper 1 · Q34

खालीलपैकी कोणते एक पुनर्विकरणीय ऊर्जा संसाधनाचा उदाहरण आहे ? / Which of the following is an example of a renewable energy resource ?

a)दार्डी कोयसा / Rock-Coal

b)खनिज तेल/पेट्रोलियम / Mineral Oil/Petroleum

c)नैसर्गिक वायू / Natural Gas

d)भूऔष्णिक ऊर्जा / Geothermal energy✓ Correct

Geothermal energy is derived from the Earth's natural internal heat, making it a clean and renewable energy source, unlike coal, petroleum, and natural gas which are fossil fuels.

MPSC Rajyaseva 2025 GS Paper 1 · Q65

ऊर्जा उत्पादनासाठी खालीलपैकी कोणता/ते पर्याय कोणत्याही स्वरूपात कार्बनचा वापर करीत नाहीत ?

(a)लाकुड

(b)बायोगॅस

(c)भूऔष्णिक स्रोत

(d)कोळसा

1)अ आणि ब दोन्ही

2)ब आणि क दोन्ही

3)फक्त क✓ Correct

4)फक्त ड

Geothermal energy (भूऔष्णिक स्रोत) is harnessed from the earth's internal heat and does not involve the combustion of carbon or release of greenhouse gases, unlike wood, biogas (which contains methane), and coal.

🏛️ The Maharashtra angle

Puga valley or local geothermal potential is discussed in general geography, useful for state exams.

MPSC Rajyaseva 2022 CSAT · Q2

हे घटक देशातील बायोमासच्या मुळाला प्रभावित करीत नाहीत ? Which factor does not affect the country's biomass base ?

1)औद्योगिकीकरण / Industrialization

2)नागरीकरण / Urbanization

3)रोख आर्थिकता / Cash Economy

4)वरीलपैकी एकही नाही / None of the above✓ Correct

Biomass base is influenced by factors like climate, soil, and water availability, but certain non-ecological factors do not directly alter the foundational biological mass generation.

MPSC Rajyaseva 2022 CSAT · Q4

देशातील ग्रामीण घरातील बायोमासची भूमिका स्पष्ट करा. Explain the role of biomass of the rural households in the country.

1)बायोमास महत्वाची भूमिका बजावतो / Biomass plays a crucial role✓ Correct

2)पाणी हे एक बायोमास आहे / Water is one of the biomass

3)इंधन महत्वाची भूमिका बजावतो / Firewood plays an important role

4)बायोमास ग्रामीण घरात महत्वाचा नाही / Biomass is not important in rural households

Biomass serves as a primary source of domestic energy in rural Indian households, used predominantly for cooking and heating through firewood and crop residues.

🏛️ The Maharashtra angle

Reflects the rural energy consumption patterns in Maharashtra's villages.

MPSC Rajyaseva 2022 CSAT · Q5

_______ व _______ हे बायोमासचा विनाश करतात. _______ and _______ destruct the biomass.

1)औद्योगिकीकरण व नागरीकरण / Industrialization and urbanization

2)निर्वाह आर्थिकता व सीमांत संस्कृती / Subsistence economy and marginal culture

3)वाळवंटीकरण आणि वनस्पती विरहीतपणा / Deforestation and devegetation✓ Correct

4)आदिवासी व भटके / Tribals and nomads

Unchecked deforestation and rapid industrialization are primary drivers that destroy biomass and natural carbon sinks.

🏛️ The Maharashtra angle

Relevant to forest cover loss in Western Ghats.

MPSC Rajyaseva 2021 GS Paper 1 · Q46

पुढील विधाने विचारत घ्या : (a) राष्ट्रीय सोलर मिशन 2010 मध्ये सुरू करण्यात आले. (b) सन 2021-2022 पर्यंत 1,00,000 MW वीजनिर्मिती करणे हे त्याचे उद्दीष्ट आहे. Consider the following statements : (a) National Solar Mission was launched in 2010. (b) It aims to generate 1,00,000 MW of power by 2021-2022.

(a)राष्ट्रीय सोलर मिशन 2010 मध्ये सुरू करण्यात आले. / National Solar Mission was launched in 2010.

(b)सन 2021-2022 पर्यंत 1,00,000 MW वीजनिर्मिती करणे हे त्याचे उद्दीष्ट आहे. / It aims to generate 1,00,000 MW of power by 2021-2022.

1)(a) फक्त बरोबर आहे / (a) only is correct

2)(b) फक्त बरोबर आहे / (b) only is correct

3)(a) व (b) दोन्ही बरोबर आहेत / (a) and (b) both are correct✓ Correct

4)(a) व (b) दोन्ही चूक आहेत / (a) and (b) both are incorrect

The National Solar Mission (part of NAPCC) was launched in January 2010 and initially aimed to achieve 20,000 MW, later revised upward to 1,00,000 MW by 2022.

🏛️ The Maharashtra angle

Maharashtra is a leading state in solar capacity installation under national targets.

MPSC Rajyaseva 2020 CSAT · Q10

जैवइंधन वापराचे खालीलपैकी कोणते फायदे बरोबर आहेत ? / Which of the following benefits of use of Bio-fuel are correct ?

(a)जैवइंधन वनस्पतीपासुन तयार करता येते. / Bio-fuel is made from vegetations.

(b)जैवइंधनामुळे प्रदूषण कमी होईल. / Less pollution by use of bio-fuel.

(c)जैवइंधनामुळे खनिजतेल वाचविता येते. / Use of bio-fuel will save crude oil.

(d)जैवइंधन सस्त आहे. / Bio-fuel is cheap.

1)(a) आणि (b) / (a) and (b)

2)(b) आणि (c) / (b) and (c)

3)(a), (b) आणि (c) / (a), (b) and (c)

4)वरील सर्व / Above all✓ Correct

Bio-fuels are derived from plant matter (vegetation), help reduce pollution compared to fossil fuels, save depleting crude oil reserves, and are generally cost-effective or economically viable over time. Hence, all given benefits are correct.

🏛️ The Maharashtra angle

National Policy on Biofuels impacts agrarian economics in states like Maharashtra.

MPSC Rajyaseva 2017 CSAT · Q15

Bottled Water and Its Environmental Cost The next time you buy a bottle of drinking water, you need to pause and think. You may not bat an eyelid shelling out ₹ 15 for a litre of bottled water but what you don't realise is that you are actually paying over 4,200 times of what you normally pay for a litre of tap water. The economics of drinking water has always baffled me. What is perplexing is that the average urban middle class squirms and protests if the Delhi Jal Board, for instance, tries to 'nominally' raise the price of tap water. Paying a little over one paise for three litres of tap water (DJB prices tap water at ₹ 3.50 per 1000 litres) they feel they are already being made to pay through the nose. Price being of little constraint for the consumers, the global bottled water industry is galloping. In 2004, the world consumed 154 billion litres, of which India's share was 5.1 billion litres. Expected to grow at 40 percent annually, the ₹ 1,800-crore bottle water industry is experiencing unprecedented boom with over 1200 water factories doing business throughout the country. If you think bottled water assures you of purity and safety, it is time you think again. Even in the U.S., despite strict quality norms formulated by the Food and Drug Administration, it is safely assumed that nearly 40 percent of the bottled water is repacked pipe water. Shockingly, what is little known is that more than five litres of water is required to produce every litre of packed water. In other words, 770 billion litres of water were used to produce and pack the 154 billion litres of water that the world consumed in 2004. What a colossal waste ! Bottled water also has additional, hidden environmental costs. According to the Pacific Institute in California, the entire process of making plastic for the bottles requires huge energy. In America alone, where nearly 26 billion litres of bottled water was consumed in 2004, an equivalent of 20 million barrels of oil was

संयुक्त संस्थानांत दरवर्षी बाटलीबंद पाण्याचे उत्पादन करण्यासाठी आणि त्याची वाहतूक करण्यासाठी किती पिंपे तेलची गरज असते ? In U.S., how many barrels of oil is required every year to manufacture and transport the bottled water ?

a)10 दशलक्ष / 10 million

b)20 दशलक्ष / 20 million✓ Correct

c)5 दशलक्ष / 5 million

d)2 दशलक्ष / 2 million

Studies show that producing and transporting bottled water in the U.S. consumes massive amounts of energy, specifically around 17-20 million barrels of oil annually.

MPSC Rajyaseva 2015 CSAT · Q31

पुढील कोणते विधान योग्य आहे ? Which of the following statement(s) is/are correct ?

(a)अ. कार्बन स्थिरीकरण तुलनेने ताजी बाब आहे. / a. Carbon fixation is a comparatively recent phenomenon.

(b)ब. प्रत्येक औष्णिक, रासायनिक व जैवरासायनिक रूपांतर स्थायू, द्रव व वायूरूपी इंधन तयार करते. / b. Each of the thermal, chemical and biochemical conversions results in solid, liquid and gas form of fuel.

1)फक्त अ / Only a

2)फक्त ब / Only b✓ Correct

3)कोणतेही नाही / Neither a nor b

4)अ आणि ब दोन्ही / Both a and b

Statement b is correct because thermal, chemical, and biochemical conversions of biomass or carbon sources can yield solid, liquid, or gaseous fuels.

🏛️ The Maharashtra angle

Relates to biomass energy projects in rural Maharashtra.

MPSC Rajyaseva 2015 CSAT · Q32

पुढीलपैकी कोणते विधान योग्य आहे ? Which of the following statement(s) is/are correct ?

(a)अ. पूर्वी जैविक इंधन तयार होत नव्हते. / a. Biofuels were not produced before.

(b)ब. जैविक इंधन अजैविक बाबींपासून मिळू शकत नाही. / b. Biofuels are not obtained from non-living things.

1)फक्त अ / Only a

2)फक्त ब / Only b

3)कोणतेही नाही / Neither a nor b

4)अ आणि ब दोन्ही / Both a and b✓ Correct

Both statements are correct: biofuels conceptually weren't produced in ancient industrial terms, and biofuels (organic matter based) are derived from living or once-living biological things, not purely non-living abiotic things.

🏛️ The Maharashtra angle

Important for bio-fuel policy implementation in agrarian states like Maharashtra.

MPSC Rajyaseva 2013 CSAT · Q24

ऊर्जा संकट _______ नाही. Energy crisis is not a :

(a)सामाजिक समस्या / Social problem.

(b)मनुष्यनिर्मित समस्या / manmade problem.

(c)आर्थिक समस्या / economic problem.

(d)पर्यावरणीय समस्या / environmental problem.

(e)निसर्गाची देणगी / gift of nature.

(f)जागतिक समस्या / global problem.

1)(a) सामाजिक समस्या / Social problem.

2)(b) मनुष्यनिर्मित समस्या / manmade problem.

3)(e) निसर्गाची देणगी / gift of nature.✓ Correct

4)(f) जागतिक समस्या / global problem.

Energy crisis is fundamentally a man-made problem driven by overconsumption, poor management, and depleting resources, making 'gift of nature' (e) the correct choice for what it is NOT.

MPSC Rajyaseva 2013 CSAT · Q26

ऊर्जा संकट अधिकाधिक तीव्र होत चालले आहे. आपण कशावर भिस्त टाकावयास हवी ? The problem of energy is becoming increasingly acute. What should we resort to ?

(a)नैसर्गिक वायूवर कारण तो सुलभतेने वापरता येतो. / Natural gas as it can be conveniently used.

(b)नव्याने बनविता येणाऱ्या स्रोतांकडे लक्ष द्यावयास हवे. / We must pay more attention to renewable sources of energy.

(c)आपण सौर ऊर्जेवर भर द्यावयास हवा. / We should lay stress on solar energy.

(d)आपण नवे स्रोत शोधून काढले पाहिजेत. / We should find new sources of energy.

1)(a)

2)(b) व (c) / (b) and (c)✓ Correct

3)(a), (b) व (c) / (a), (b) and (c)

4)(b) व (d) / (b) and (d)

To combat the acute energy crisis, sustainable strategies require shifting focus towards renewable sources of energy (b) and specifically laying stress on solar energy (c).

🏛️ The Maharashtra angle

Maharashtra is a leading state in solar agriculture pumps (Mukhyamantri Saur Krishi Vahini Yojana).

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