Environment & Ecology - MOST IMPORTANT CG PCS Previous Year Questions
Practice real questions from previous year exams of CG PCS.
📘 Global Conservation Efforts📚 Rio+20 (United Nations Conference on Sustainable Development), 2012
Q1
What was the the theme of Rio+20 manifesto?
🎯 CG PCS (Pre) 2016
📘 In Situ Conservation – Protected Areas📚 Biosphere Reserves
Q2
What will be the decreasing order of the following biosphere reserves from the point of view of the area?
🎯 CG PCS (Pre) 2020
📘 Ecosystem - Structure & Components📚 Biotic Components of Ecosystem
Q3
Green plants in an ecosystem are:
🎯 CG PCS (Pre) 2024
📘 Food Chain, Food Web & Ecological Pyramids📚 Food Chain and its Types
Q4
Which of the following constitute a food chain?
🎯 CG PCS (Pre) 2017, 2016
📘 Ecological Efficiency📚 Lindeman's 10 Percent Law
Q5
‘10 Percent Law’ is related with
🎯 CG PCS (Pre) 2017
📘 Ozone Depletion📚 Definition & General Facts
Q6
The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of
🎯 CG PCS (Pre) 2023
📘 Air Pollution - Introduction📚 Examples of Air Pollutants
Q7
The most important pollutant of indoor air pollution is
🎯 CG PCS (Pre) 2016
📘 In Situ Conservation – Protected Areas📚 National Parks
Q8
The first National Park of India is
🎯 CG PCS (Pre) 2019
📘 In Situ Conservation – Protected Areas📚 National Parks
Q9
The first National Park of India is
🎯 CG PCS (Pre) G.S. 2010–11
📘 Climate Change - Major Climate-Relevant Gases & Compounds📚 Misc
Q10
Which of the following is not a green house gas?
🎯 CG PCS (Pre) 2024
📘 Ozone Depletion📚 Sources
Q11
Ozone layer of upper atmosphere is being destroyed by which of the following?
🎯 CG PCS (Pre) It G.S., 2014
📘 Ozone Depletion📚 Definition & General Facts
Q12
Ozone layer is mainly located in:
🎯 CG PCS (Pre) G.S. 2010–11
📘 Ozone Depletion📚 Measures for the Preservation of Ozone Layer
Q13
Montreal Protocol is related to the conservation of which of the following?
🎯 CG PCS (Pre) 2016
📘 Energy Sources & Environmental Implications📚 Biofuel
Q14
Which vegetation is used in the production of biodiesel?
🎯 CG PCS (Pre) G.S. 2004-05
📘 Acid Rain📚 Sources of Compounds Causing Acid Rain
Q15
Which acid is present in acid rain?
🎯 CG PCS GS (Pre) 2018
📘 Biodiversity📚 Patterns and Importance of Biodiversity
Q16
Where is the maximum diversity of species found?
🎯 CG PCS (Pre) 2024
📘 Biodiversity📚 Definition & General Facts
Q17
Who among the following had used the term 'Biodiversity' for the first time?
🎯 CG PCS (Pre) 2019
📘 In Situ Conservation – Protected Areas📚 National Parks
Q18
Maximum biodiversity is found in-
🎯 CG PCS (Pre) G.S. 2010-11