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Planning to prepare for UPSC but facing difficulty with the environment and ecology of UPSC? If yes, then worry no more, as in this article we will include a top-notch timetable shared by IAS Tina Dabi to help you ace the examination. Also, we will share additional important information, like previous year’s questions, so that you can easily analyze the question pattern and the difficulty level. Apart from this, we will also talk about some tips and tricks to prepare for the UPSC prelims, environment and ecology subject.
Environment and Ecology PYQ UPSC Prelims
Table of Contents
Below you can find the previous 5 years Environment and Ecology upsc prelims question and answers.
Previous Year Questions 2023
1. The 24-hour mean of should not exceed and annual mean of should not exceed
2. In a year, the highest levels of ozone pollution occur during the periods of inclement weather.
3. PM10 can penetrate the lung barrier and enter the bloodstream.
4. Excessive ozone in the air can trigger asthma.
Which of the statements, given above are correct?
A 1, 3 and 4 only
B 1 and 4 only
C 2, 3 and 4 only
D 1 and 2 only
The correct answer is B.
1. It is a fungus.
2. It grows in some Himalayan forest areas.
3. It is commercially cultivated in the Himalayan foothills of north-eastern India.
Which of the statements given above is/are correct?
A 1 only
B 3 only
C 1 and 2 only
D 2 and 3 only
The correct answer is C.
A Golden Mahseer
B Indian Nightjar
C Spoonbill
D White Ibis
The correct answer is A.
1. Alfalfa
2. Amaranth
3. Chickpea
4. Clover
5. Purslane (Kulfa)
6. Spinach
Select the correct answer using the code given below:
A 1, 3 and 4 only
B 1, 3, 5 and 6 only
C 2, 4, 5 and 6 only
D 1, 2, 4, 5 and 6
The correct answer is A.
A Restoration of damaged coral reefs
B Development of building materials using plant residues
C Identification of areas for exploration/extraction of shale gas
D Providing salt licks for wild animals in forests/protected areas
The correct answer is A.
Previous Year Questions 2022
1. Copepods
2. Cyanobacteria
3. 4. Diatoms
Foraminifera
Which of the above are primary producers in the food chains of oceans?
A 1 and 2 only
B 2 and 3 only
C 3 and 4 only
D 1 and 4 only
The correct answer is B.
1. Hedgehog
2. Marmot
3. Pangolin
To reduce the chance of being captured by predators, which of the above organisms rolls up/roll up and protects/ protect its/their vulnerable parts?
A 1 and 2 only
B 2 only
C 3 only
D 1 and 3 only
The correct answer is D.
A Catfish
B Octopus
C Oyster
D Pelican
The correct answer is C.
1. Brakes of motor vehicles
2. Engines of motor vehicles
3. Microwave stoves within homes
4. Power plants
5. Telephone lines
Select the correct answer using the code given below.
A 1, 2, 3 and 5 only
B 1, 2 and 4 only
C 3, 4 and 5 only
D 1, 2, 3, 4 and 5
The correct answer is D.
A Carbon cycle
B Nitrogen cycle
C Phosphorus cycle
D Sulphur cycle
The correct answer is C.
Previous Year Questions 2021
A Kanha National Park
B Manas National Park
C Mudumalai Wildlife Sanctuary
D Tal Chhapar Wildlife Sanctuary
The correct answer is A.
A Birds
B Primates
C Reptiles
D Amphibians
The correct answer is A.
1. Askot Wildlife Sanctuary
2. Gangotri National Park
3. Kishanpur Wildlife Sanctuary
4. Manas National Park
Select the correct answer using the code given below:
A 1 and 2 only
B 2 and 3 only
C 3 and 4 only
D 1 and 4 only
The correct answer is A.
1. Copper slag
2. Cold mix asphalt technology
3. Geotextiles
4. Hot mix asphalt technology
5. Portland cement
Select the correct answer using the code given below:
A 1, 2 and 3 only
B 2, 3 and 4 only
C 4 and 5 only
D 1 and 5 only
The correct answer is A.
1. Coal ash contains arsenic, lead and mercury.
2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment.
3. High ash content is observed in Indian coal.
Which of the statements given above is/are correct?
A 1 only
B 2 and 3 only
C 3 only
D 1, 2 and 3
The correct answer is D.
Previous Year Questions 2020
1. Carbon monoxide
2. Methane
3. Ozone
4. Sulphur dioxide
Which of the above are released into atmosphere due to the burning of crop/biomass residue?
A 1 and 2 only
B 2, 3 and 4 only
C 1 and 4 only
D 1, 2, 3 and 4
The correct answer is D.
1. Under Ramsar Convention, it is mandatory on the part of the Government of India to protect and conserve all the wetlands in the territory of India.
2. The Wetlands (Conservation and Management) Rules, 2010 were framed by the Government of India based on the recommendations of Ramsar Convention.
3. The Wetlands (Conservation and Management) Rules, 2010 also encompass the drainage area or catchment regions of the wetlands as determined by the authority.
Which of the statements given above is/are correct?
A 1 and 2 only
B 2 and 3 only
C 3 only
D 1, 2 and 3
The correct answer is B.
A Manas National Park
B Namdapha National Park
C Neora Valley National Park
D Valley of Flowers National Park
The correct answer is D.
1. Asiatic lion is naturally found in India only.
2. Double-humped camel is naturally found in India only.
3. One-horned rhinoceros is naturally found in India only.
Which of the statements given above is/are correct?
A 1 only
B 2 only
C 1 and 3 only
D 1, 2 and 3
The correct answer is A.
A Neyyar, Peppara and Shendurney Wildlife Sanctuaries; and Kalakad Mundanthurai Tiger Reserve
B Mudumalai, Sathyamangalam and Wayanad Wildlife Sanctuaries; and Silent Valley National Park
C Kaundinya, Gundla Brahme-swaram and Papikonda Wildlife Sanctuaries; and Mukurthi National Park
D Kawal and Sri Venkateswara Wildlife Sanctuaries; and Nagarjunasagar-Srisailam Tiger Reserve
The correct answer is A.
Previous Year Questions 2019
A Arunachal Pradesh
B Manipur
C Meghalaya
D Nagaland
The correct answer is A.
1. The NGT has been established by an Act whereas the CPCB has been created by an executive order of the Government.
2. The NGT provides environmental justice and helps reduce the burden of litigation in the higher courts whereas the CPCB promotes cleanliness of streams and wells, and aims to improve the quality of air in the country.
Which of the statements given above is/are correct?
A 1 only
B 2 only
C Both 1 and 2
D Neither 1 nor 2
The correct answer is B.
1. Hard and waxy leaves
2. Tiny leaves
3. Thorns instead of leaves
Select the correct answer using the code given below:
A 2 and 3 only
B 2 only
C 3 only
D 1, 2 and 3
The correct answer is D.
How to Prepare and Tips
Below are some of the general prepartions that quill help you to prepare well for your UPSC prelims environment examination. Have a look at them below⬇️
Understand the Syllabus📝
- The first step is to familiarize yourself with the UPSC syllabus well.
- When you understand your syllabus, it ultimately leads to understanding divered topics as well.
Read Newspapers and Magazines📰
- Keep yourself updated with the current environmental affairs by reading newspaper.
- There are various newspapers and magazines that you can refer like Economics Times, Yojana, Kurukshetra, etc.
- It will help you to relate the theoretical concepts with the real world scenarios.
Make Notes📖
- Make proper notes while studying.
- Mark all the important concepts and note them down at one place.
- Writing important topics more than once, helps you to retain the topic for a longer time. Also, if you will write a topics with its proper understanding, you develop concept clarity.
- It is very much better to have concept clarity than directly mugging up the things.
Time Management 👍
- Make sure that you solve ample questions before sitting for the examination.
- Also, do not forget to practice time management while solving the questions.
- Good time management skills will actually help you to divide your time among multiple questions on the examination day.
Proper Sleep & Healthy Diet 💤
- Minimum 6-7 hours of sound sleep is very very important for your brain and body to work properly.
- Also, eating healthy food will kill lethargicness in the crucial examination days.
Proper Revision 📖👨💻
- Remmember that proper revision is very important to not miss on any important concept.
- Revise the most important information again and again to perform best at the examination.
Stay Motivated 👩🎓
- Last but not least, always stay positive and motivated toward your preparation.
- Be confident about your preparation and attempt the questions with utmost faith.
Join Test Series📝
- Enroll yourself in a good test series for UPSC Prelims.
- When you regularly give tests and analyse your mistakes, you grow 10x faster.
- It will also increase the chances of lesser chances in the actual examination.
Stay Updated👍
- Keep yourself updated with the current affairs related to the environment.
- Stay update with the recent developments, conferences, and policies.
In general, you can follow the below-mentioned time table. Please note that in the timings where there is a gap between two study slots, you can enjoy a break.
List of Important Topics – UPSC Prelims Environment📍
Here is a list of the important topics for the UPSC prelims environment.
International Environmental Conventions:
- Rio summit and its outcomes, Ramsar Convention on wetlands, CITES, Convention on Conservation of Migratory Species (CMS), IUCN, Stockholm, Rotterdam, and Basel convention, UN convention to combat Desertification, Vienna Convention, and Montreal Protocol. Apart from these other conventions under the aegis of the United Nations are important.
Acts and policies regarding the Environment:
- Wildlife protection act, Environment protection act, Biological Diversity act, Forest Right Act
- Forest policy, wetland rule, NGT, ozone-depleting substance rule.
Environmental Organisations:
- National Biodiversity Authority, Wildlife Crime Control Bureau, Animal Welfare Board, central zoo Authority.
Biodiversity:
- Biodiversity types, services, level, and measurement.
- Protected area network: Wildlife sanctuaries, National Parks, Sacred Grooves, Biosphere Reserves, Biodiversity hotspots.
- conservation efforts: Project Tiger, Project Elephant, Project Hangul, Ganges Dolphin, Crocodile conservation
- Schedule a list of wildlife protection.
Climate Change:
- Climate change organizations: UNFCCC, Kyoto protocol, REDD/REDD+, IPCC, Green Economy
- Impact of climate change: impact on India, India’s position on Climate change, NICRA, Green Buildings, NAPCC, Nation Communication.
- Ozone depletion
- Mitigation strategies: Carbon Sequestration, Carbon sink, Carbon credit, Carbon offsetting, Carbon tax.
- Ocean acidification.
Institution:
- CAMPA, Clean energy fund, wildlife action plan, National Afforestation and Eco-Development Board, Mangrove for future. and other such relevant institutions which have in news.
FAQs
No, it is not difficult to study this subject if you have an interest in the environment and ecolopartsart and follow a well structured timetable.
The weightage for any subject in the UPSC prelims examination is not fixed, it keeps fluctuating.
There is a list of the best books that students like to read. In the above blog, we have included the full list.
This was all about the “Environment and Ecology for UPSC”. For more such informative blogs, check out our UPSC Exams Section, or you can learn more about us by visiting our Indian exams page.