Environment & Ecology - MOST IMPORTANT RPSC RAS Previous Year Questions
Practice real questions from previous year exams of RPSC RAS.
📘 Tropical Biomes📚 Tropical Rainforest
Q1
Out of total Oxygen present in the earth's atmosphere, the estimated production of oxygen by Amazon forest through photosynthesis is.
🎯 RPSC RAS (Pre) 2023
📘 Ecosystem - Productivity & Stability📚 Ecosystem Stability (Resistance & Resilience)
Q2
Which is the most stable ecosystem?
🎯 RPSC RAS /RTS (Pre) G.S., 2008
📘 Tropical Biomes📚 Tropical Rainforest
Q3
Which of the following forests is known as the 'lungs of the planet earth'?
🎯 RPSC RAS /RTS (Pre) G.S., 2015
📘 Ecosystem - Structure & Components📚 Abiotic Components of Ecosystem
Q4
Which of the following is not a biotic component of the ecosystem?
🎯 RPSC RAS /RTS (Pre) G.S., 2015
📘 Major Causes of Land Degradation📚 Deforestation
Q5
Which one of the following is the main cause of ecological imbalance in India?
🎯 RPSC RAS /RTS (Pre) G.S., 2012
📘 Food Chain, Food Web & Ecological Pyramids📚 Ecological Pyramids and their Categories
Q6
An inverted pyramid of biomass can be found in which ecosystem?
🎯 RPSC RAS (Pre) 2021
📘 Indices to Measure Air Pollution📚 National Air Quality Index (AQI)
Q7
According to Central Pollution Control Board, the Air Quality category for IND-AQI range of 101-200 is:
🎯 RPSC RAS (Pre) 2024
📘 Functional Classification of Species📚 Indicator Species
Q8
Which of the following do not grow in polluted area?
🎯 RPSC RAS (Pre) 2023
📘 Major Causes of Land Degradation📚 Misc
Q9
Assertion : There is serious problem of environment degradation in the world.
Reason: The main reason for the problem is degradation of soil and forests.
🎯 RPSC RAS /RTS (Pre) G.S., 1994–95
📘 Air Pollution - Introduction📚 Classification of Air Pollutants
Q10
Which of the following is an inorganic gaseous pollutant of air?
🎯 RPSC RAS /RTS (Pre) G.S. 2015
📘 In Situ Conservation – Protected Areas📚 National Parks
Q11
The first National Park of India is
🎯 RPSC RAS /RTS (Pre) G.S., 2016
📘 In Situ Conservation – Protected Areas📚 National Parks
Q12
The state of India whose maximum percentage of its area comes under National Parks is-
🎯 RPSC RAS (Pre), 2006-07
📘 In Situ Conservation – Protected Areas📚 National Parks
Q13
How many such national parks are there in India which are formed for the protection of wildlives?
🎯 RPSC RAS /RTS (Pre) G.S., 1993
📘 Species-Based Conservation Programmes📚 Project Tiger
Q14
Which one of the following is not a Tiger Conservation Programme in India?
🎯 RPSC RAS /RTS (Pre) G.S. 2012
📘 Types of Ecosystems - Wetland Ecosystem📚 Ramsar Sites of India
Q15
Which of the following lakes of Rajasthan has been included in the list of Ramsar wetland sites?
🎯 RPSC RAS /RTS (Pre) G.S., 2016
📘 Biodiversity📚 Biodiversity Hotspots and Hope Spots
Q16
The 'Hotspot' found in India (in context to environment) are-
🎯 RPSC RAS /RTS (Pre) G.S., 2015, 2013, 2008
📘 Native Vegetation & Wildlife of Prominent Countries📚 Misc
Q17
Kiwi is
🎯 RPSC RAS /RTS (Pre) G.S., 2015
📘 In Situ Conservation – Protected Areas📚 National Parks
Q18
Which of the following national park/sanctuary is known as World Heritage Site?
🎯 RPSC RAS /RTS (Pre) G.S. 1992–93
📘 Climate Change - Global Warming📚 Impacts of Global Warming
Q19
How much has the global average temperature risen in the last century?
🎯 RPSC RAS (Pre) 2021
📘 Ozone Depletion📚 Effects of Ozone Layer Depletion
Q20
The ozone layer protects earth from-
🎯 RPSC RAS /RTS (Pre) G.S., 2009