Environment & Ecology Previous Year Questions 2026 | UKPSC RO/ARO

Environment & Ecology - MOST IMPORTANT UKPSC RO/ARO Previous Year Questions

Practice real questions from previous year exams of UKPSC RO/ARO.

📘 Basics of Environment & Ecology📚 Definitions - Environment, Ecology
Q1

The term 'Ecosystem' was first used in 1935 by-

🎯 UKPSC RO/ARO, 2016
📘 Movement of Non-Degradable Pollutants in Ecosystems📚 Misc
Q2

In view of environmental problems, the use of which insecticide has been reduced?

🎯 UKPSC RO/ARO, 2016
📘 In Situ Conservation – Protected Areas📚 National Parks
Q3

'Mrugavani National Park' is located in which of the following states of India?

🎯 UKPSC RO/ARO Mains 2024
📘 Biodiversity📚 Biodiversity Hotspots and Hope Spots
Q4

Which of the following is not included in the India's list of Bio-diversity 'Hot Spots' ?

🎯 UKPSC RO/ARO Mains 2024
📘 Climate Change - Major Climate-Relevant Gases & Compounds📚 Misc
Q5

Which one of the following is not a greenhouse gas?

🎯 UKPSC RO/ARO (Pre) 2021
📘 Climate Change - Global Warming📚 Definition and General Facts
Q6

Which of the following gases contributes maximum to the 'Global Warming'?

🎯 UKPSC RO/ARO Mains 2024
📘 Ozone Depletion📚 Measures for the Preservation of Ozone Layer
Q7

Which of the following international agreement is associated with Ozone layer depleting substance?

🎯 UKPSC RO/ARO Mains 2024
📘 Water Pollution - Introduction📚 Causes of Water Pollution
Q8

Which one of the following is the most polluting source of 'Ganga river'?

🎯 UKPSC RO/ARO Mains 2024
📘 Biodiversity📚 Definition & General Facts
Q9

“Bio-Diversity' is-

🎯 UKPSC RO/ARO, 2016
📘 Applied Environmental Issues & Practices📚 Misc
Q10

India's first carbon neutral village is

🎯 UKPSC RO/ARO Mains 2024