Environment & Ecology Previous Year Questions 2026 | Uttarakhand PCS

Environment & Ecology - MOST IMPORTANT Uttarakhand PCS Previous Year Questions

Practice real questions from previous year exams of Uttarakhand PCS.

📘 Global Conservation Efforts📚 Stockholm Declaration, 1972
Q1

In which year, for first time, symposium on Environment was proposed at Stockholm?

🎯 Uttarakhand PCS (PRE) Lower 2021
📘 Coral Reefs📚 General Definition
Q2

Which of the following belongs to organic origin?

🎯 Uttarakhand PCS (Pre) 2009-10
📘 In Situ Conservation – Protected Areas📚 Biosphere Reserves
Q3

Which of the following is not correctly matched?
(Biosphere Reserve - State)

🎯 Uttarakhand PCS (Pre) Ist 2014-15
📘 Basics of Environment & Ecology📚 Definitions - Environment, Ecology
Q4

Ecology is the study of:

🎯 Uttarakhand PCS (M) 2004–05
📘 Climate Change - Global Warming📚 Impacts of Global Warming
Q5

Which one of the following is the most brittle ecosystem that will be first affected by global warming?

🎯 Uttarakhand PCS (Pre) 2009–10
📘 Basics of Environment & Ecology📚 Carrying Capacity
Q6

The number of organisms that can be supported by the environment in a given area is known as:

🎯 Uttarakhand PCS (Pre) Ist 2014–15
📘 Functional Classification of Species📚 Indicator Species
Q7

Which of the follwings is best indicator of Sulphur dioxide pollution?

🎯 Uttarakhand PCS (Pre) Lower 2021
📘 General Miscellaneous📚 Miscellaneous
Q8

Which of the following pair is not correctly matched?

🎯 Uttarakhand PCS (M) 2002–03
📘 In Situ Conservation – Protected Areas📚 National Parks
Q9

The first National Park of India is

🎯 Uttarakhand PCS (Pre) G.S. 2016
📘 In Situ Conservation – Protected Areas📚 National Parks
Q10

Great Himalayan National Park which is declare World Heritage Site by UNESCO is located in-

🎯 Uttarakhand PCS (Pre) Ist 2014-15
📘 In Situ Conservation – Protected Areas📚 National Parks
Q11

Salim Ali National Park is located in-

🎯 Uttarakhand PCS (Pre) 2004-05
📘 Biodiversity📚 Biodiversity Hotspots and Hope Spots
Q12

The 'Hotspot' found in India (in context to environment) are-

🎯 Uttarakhand PCS (Pre) G.S. 2016
📘 Ozone Depletion📚 Definition & General Facts
Q13

Which one of the following is a measuring unit to measure with of the ozone layer?

🎯 Uttarakhand PCS (Pre) 2009–10
📘 Ozone Depletion📚 Effects of Ozone Layer Depletion
Q14

The ozone layer present in the atmosphere absorbs-

🎯 Uttarakhand PCS (Pre) 2006–07
📘 Ozone Depletion📚 Measures for the Preservation of Ozone Layer
Q15

Montreal Protocol is related to the conservation of which of the following?

🎯 Uttarakhand PCS (Pre) 2009–10
📘 Acid Rain📚 Sources of Compounds Causing Acid Rain
Q16

Acid rain is caused by the pollution of environment by

🎯 Uttarakhand PCS (Pre) 2006–07
📘 In Situ Conservation – Protected Areas📚 National Parks
Q17

Maximum biodiversity is found in-

🎯 Uttarakhand PCS (Pre) 2004-05
📘 General Miscellaneous📚 Miscellaneous
Q18

World Environment Day is observed on

🎯 Uttarakhand PCS (Pre) 2006–07
📘 National Organizations📚 Misc
Q19

National Environmental Engineering Research Institute (NEERI) is located at

🎯 Uttarakhand PCS (Pre) 2009-10
📘 In Situ Conservation – Landscape Based📚 Landscape Approach to Conservation
Q20

The "Kailash Sacred Landscape Conservation and Development Initiative” (KSLCDI) is a collaboration among which three nations ?

🎯 Uttarakhand PCS (Pre) G.S. 2016