Environment & Ecology Previous Year Questions 2026 | UPSC EPFO

Environment & Ecology - MOST IMPORTANT UPSC EPFO Previous Year Questions

Practice real questions from previous year exams of UPSC EPFO.

📘 Air Pollution - Introduction📚 Classification of Air Pollutants
Q1

In the study of pollution, SPM refers to?

🎯 UPSC EPFO APFC 2016
📘 Air Pollution - Introduction📚 Misc
Q2

What is identified and its quantity measured in 'pollution check' of motor cars at service station?

🎯 UPSC EPFO APFC 2004
📘 Applied Environmental Issues & Practices📚 Misc
Q3

Bio-remediation is a technology which is being extensively utilized in controlling?

🎯 UPSC EPFO APFC 2017
📘 Biodiversity📚 Threats to Biodiversity
Q4

Which of the following can be threats to the biodiversity of a geographical area?

  1. Global warming
  2. Fragmentation of habitats
  3. Invasion of alien species
  4. Promotion of vegetarianism
🎯 UPSC EPFO APFC 2012
📘 In Situ Conservation – Protected Areas📚 National Parks
Q5

Consider the following statements:

  1. Kaziranga National Park has been granted recognition as World Heritage Site by UNESCO.
  2. The Rhino and Hoolock Gibbon reside in Kaziranga National Park.
    Which of the statements above is/are correct?
🎯 UPSC EPFO APFC 2004
📘 Important Terms Related to Greenhouse Gases📚 Carbon Footprint
Q6

The term 'Carbon footprint' means

🎯 UPSC EPFO APFC 2016
📘 Ocean Acidification📚 Influencing Factors
Q7

What is the main cause of acidification of oceans?

🎯 UPSC EPFO APFC 2023
📘 In Situ Conservation – Protected Areas📚 Tiger Reserves
Q8

Match List-I with List-II and select the correct answer.
List-I: A. Buxa tiger reserve B. Periyar Tiger Reserve C. Sariska National Park D. Wild Ass Sanctuary
List-II: 1. Rajasthan 2. Gujrat 3. West Bengal 4. Kerala

🎯 UPSC EPFO APFC 2012
📘 Types of Ecosystems - Wetland Ecosystem📚 Ramsar Convention
Q9

Which of the following statements is/are correct?

  1. India is a signatory to the Ramsar Convention
  2. The Ramsar Convention is about wetland conservation
  3. At present there are 76 Ramsar Sites in India
    Select the correct answer using the code given below:
🎯 UPSC EPFO APFC Exam- 2021
📘 Basics of Environment & Ecology📚 Misc
Q10

Biome, largest recognizable assemblage of animals and plants on the Earth, is controlled mainly by:

🎯 UPSC EPFO /APFC 2012
📘 Air Pollution - Introduction📚 Classification of Air Pollutants
Q11

In the study of pollution, SPM refers to?

🎯 UPSC EPFO /APFC 2016
📘 Air Pollution - Introduction📚 Misc
Q12

What is identified and its quantity measured in 'pollution check' of motor cars at service station?

🎯 UPSC EPFO /APFC 2004
📘 Applied Environmental Issues & Practices📚 Misc
Q13

Bio-remediation is a technology which is being extensively utilized in controlling?

🎯 UPSC EPFO /APFC 2017
📘 In Situ Conservation – Protected Areas📚 National Parks
Q14

Consider the following statements:

  1. Kaziranga National Park has been granted recognition as World Heritage Site by UNESCO.
  2. The Rhino and Hoolock Gibbon reside in Kaziranga National Park.
    Which of the statements above is/are correct?
🎯 UPSC EPFO /APFC 2004
📘 Important Terms Related to Greenhouse Gases📚 Carbon Footprint
Q15

The term 'Carbon footprint' means

🎯 UPSC EPFO /APFC 2016
📘 Ocean Acidification📚 Influencing Factors
Q16

What is the main cause of acidification of oceans?

🎯 UPSC EPFO/APFC 2023
📘 Biodiversity📚 Threats to Biodiversity
Q17

Which of the following can be threats to the biodiversity of a geographical area?

  1. Global warming
  2. Fragmentation of habitats
  3. Invasion of alien species
  4. Promotion of vegetarianism
🎯 UPSC EPFO /APFC 2012
📘 In Situ Conservation – Protected Areas📚 Tiger Reserves
Q18

Match List-I with List-II and select the correct answer.
List-I: A. Buxa tiger reserve B. Periyar Tiger Reserve C. Sariska National Park D. Wild Ass Sanctuary
List-II: 1. Rajasthan 2. Gujrat 3. West Bengal 4. Kerala

🎯 UPSC EPFO /APFC 2012
📘 Types of Ecosystems - Wetland Ecosystem📚 Ramsar Convention
Q19

Which of the following statements is/are correct?

  1. India is a signatory to the Ramsar Convention
  2. The Ramsar Convention is about wetland conservation
  3. At present there are 76 Ramsar Sites in India
    Select the correct answer using the code given below:
🎯 UPSC EPFO Exam- 2021