📘 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

Environment & Ecology - MOST IMPORTANT RPSC RAS Previous Year Questions