Environment & Ecology Previous Year Questions 2026 | Delhi Police

Environment & Ecology - MOST IMPORTANT Delhi Police Previous Year Questions

Practice real questions from previous year exams of Delhi Police.

📘 Desert Biomes📚 Hot and Dry Desert
Q1

What is the largest desert in India?

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📘 Environmental Movements📚 Narmada Bachao Andolan
Q2

Who returned the Padma Vibhushan Award protesting against treatment of tribal during the Sardar Sarovar dam construction?

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📘 Indices to Measure Air Pollution📚 National Air Quality Index (AQI)
Q3

Which of the following is not included in India’s Air Quality Index (AQI) calculation?

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📘 Types of Ecosystems - Wetland Ecosystem📚 Misc
Q4

Which is the largest delta in the world?

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📘 Environmental Schemes in India📚 Misc
Q5

Under the Amrit Sarovar initiative, each water body created or rejuvenated was generally planned to have a typical pondage area of approximately how much?

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📘 Types of Ecosystems - Freshwater Ecosystem📚 Lentic Ecosystem
Q6

Name the largest freshwater lake in the country?

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📘 Indices to Measure Air Pollution📚 National Air Quality Index (AQI)
Q7

Which body releases the Air Quality Index (AQI) in India?

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📘 Sustainable Agriculture and Organic Farming📚 Misc
Q8

The Green Revolution mainly benefited:

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📘 Environmental Schemes in India📚 Misc
Q9

Mission Amrit Sarovar was launched in which month and year?

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📘 Environmental Schemes in India📚 National Action Plan on Climate Change
Q10

The National Solar Mission is a part of which larger national framework?

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📘 Tropical Biomes📚 Tropical Rainforest
Q11

What kind of forest is found in the Andaman Islands?

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📘 Environmental Schemes in India📚 Misc
Q12

Mission Amrit Sarovar, launched in April 2022, originally aimed to construct or rejuvenate how many Amrit Sarovars across the country?

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📘 Environmental Schemes in India📚 Misc
Q13

Under Mission Amrit Sarovar, who has been given priority to lay the foundation stone of an Amrit Sarovar?

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📘 Environmental Schemes in India📚 Misc
Q14

Which scheme aims to provide Liquefied Petroleum Gas (LPG) connections to women from Below Poverty Line households?

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📘 Environmental Schemes in India📚 Misc
Q15

In February 2025, which Union Minister inaugurated multiple water supply schemes under the Jal Jeevan Mission in Kathua, Jammu and Kashmir?

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📘 Nutrient Cycling (Biochemical Cycles)📚 Carbon Cycle
Q16

Which gas is absorbed by plants during photosynthesis?

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📘 Disaster Management📚 Misc
Q17

What is a growing concern message for societies around the world?

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📘 Indices to Measure Air Pollution📚 National Air Quality Index (AQI)
Q18

What does AQI stand for?

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📘 Energy Sources & Environmental Implications📚 Conventional Non-renewable Energy Sources
Q19

Where is India's oldest and first successful oil field located?

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📘 Desert Biomes📚 Hot and Dry Desert
Q20

What type of soil is typically associated with the absence of moisture and found in dry climates?

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