Environment & Ecology - MOST IMPORTANT UPPSC RO/ARO Previous Year Questions
Practice real questions from previous year exams of UPPSC RO/ARO.
📘 Sustainable Development📚 Definition and General Facts
Q1
Which one of the following is not related to the protection of environment?
🎯 UPPSC RO/ARO CSE PRE G.S. 2013
📘 Global Conservation Efforts📚 Rio Earth Summit (United Nations Conference on Environment and Development (UNCED)), 1992
Q2
Agenda-21 is related to which field?
🎯 UPPSC RO/ARO CSE PRE G.S. 2014
📘 National Environmental Laws - Pollution📚 The Environment (Protection) Act, 1986
Q3
The Environment (Protection) Act was passed in India in
🎯 UPPSC RO/ARO CSE PRE G.S. 2013
📘 Tropical Biomes📚 Tropical Rainforest
Q4
Given below are two statements, in which one is labelled as Assertion (A) and the other as Reason (R):
Assertion (A) : The equatorial forest biome is the biome with the densest and highest biomass.
Reason (R) : There is high rainfall and high temperature throughout the year in the equatorial forest region.
Select the correct answer using the code given below:
🎯 UPPSC RO/ARO CSE PRE 2023 (Cancelled)
📘 Basics of Environment & Ecology📚 Principles of Ecology
Q5
Given below are two statements, one labelled as Assertion (A) and other as reason (R).
Assertion (A): The biosphere is an example of open system.
Reason (R): There cannot be reinvestment of new substances in the bio-sphere but there is no restriction on the investment and exit of energy.
🎯 UPPSC RO/ARO Mains 2017
📘 Ecosystem - Productivity & Stability📚 Ecosystem Stability (Resistance & Resilience)
Q6
Which is the most stable ecosystem?
🎯 UPPSC RO/ARO CSE PRE G.S. 2010
📘 In Situ Conservation – Protected Areas📚 Biosphere Reserves
Q7
Match List-I with List-II and select the correct answer using the code given below the list-
List-I (Biosphere Reserve)
(A) Similipal
(B) Dihang-Dibang
(C) Nokrek
(D) Cold Desert
List-II (State)
1. Himachal Pradesh
2. Uttarakhand
3. Arunachal Pradesh
4. Odisha
5. Meghalaya
🎯 UPPSC RO/ARO CSE PRE G.S. 2016
📘 In Situ Conservation – Protected Areas📚 Biosphere Reserves
Q8
Which one of the following is the largest biosphere reserve (in terms of area) of India certified by UNESCO?
🎯 UPPSC RO/ARO (Mains) G.S. 2013
📘 Basics of Environment & Ecology📚 Definitions - Environment, Ecology
Q9
Ecology is the study of relationship between:
🎯 UPPSC RO/ARO CSE PRE G.S. 2014
📘 Ecological Succession📚 Misc
Q10
The Monoclimax Theory was Propounded by:
🎯 UPPSC RO/ARO CSE PRE 2021
📘 Basics of Environment & Ecology📚 Carrying Capacity
Q11
The measuring unit of ecological footprint is:
🎯 UPPSC RO/ARO CSE PRE G.S. 2016
📘 Ecosystem - Productivity & Stability📚 Ecosystem Productivity
Q12
Consider the following statements about eco-system:
1. The production at the autotroph level is said to be primary productivity.
2. The secondary productivity refers to the production at the heterotroph level.
🎯 UPPSC RO/ARO CSE PRE 2017
📘 Major Causes of Land Degradation📚 Deforestation
Q13
Which of the following works deteriorate ecological balance?
🎯 UPPSC RO/ARO CSE PRE G.S. 2014
📘 Basics of Environment & Ecology📚 Ecological Hierarchy
Q14
Which of the following is the largest ecosystem of the earth?
🎯 UPPSC RO/ARO CSE PRE 2017
📘 Types of Ecosystems - Marine Ecosystem📚 Misc
Q15
Which one of the following is not a sub-category of terrestrial ecosystem?
🎯 UPPSC RO/ARO Mains 2021
📘 Indian Biodiversity📚 Misc
Q16
According to 'India, State of Forest Report 2017' what percentage of total geographical area of the country is under forest cover?
🎯 UPPSC RO/ARO CSE PRE 2017
📘 Applied Environmental Issues & Practices📚 Misc
Q17
Which of the following city of India has specially placed in afforestation?
🎯 UPPSC RO/ARO (Mains) G.S. 2013
📘 Major Causes of Land Degradation📚 Deforestation
Q18
Which one of the following does not help in maintaining ecology balance?
🎯 UPPSC RO/ARO CSE PRE G.S. 2013
📘 Ecosystem - Structure & Components📚 Abiotic Components of Ecosystem
Q19
Driving force of an ecosystem is :
🎯 UPPSC RO/ARO (Re-exam) 2016
📘 Ecosystem - Productivity & Stability📚 Ecosystem Productivity
Q20
Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity ?
🎯 UPPSC RO/ARO CSE PRE 2021