Acme Ai
A
अ
Question No. 159Interactive Test Mode
00:00
+2-0.66

Q159. Consider the following statements: 1. 36% of India’s districts are classified as “overexploited” or “critical” by the Central Ground Water Authority (CGWA). 2. CGWA was formed under the Environment (Protection) Act. 3. India has the largest area under groundwater irrigation in the world. Which of the statements given above is/are correct?

Consider the following statements:

  1. 36% of India’s districts are classified as “overexploited” or “critical” by the Central Ground Water Authority (CGWA).
  2. CGWA was formed under the Environment (Protection) Act.
  3. India has the largest area under groundwater irrigation in the world. Which of the statements given above is/are correct?
Select the correct option below (or cross out options to eliminate)

Official Answer Key & Detailed Solution

Ready to check the official UPSC Answer Key?

Click any option above to test yourself under exam conditions, or reveal the explanation directly.

Official UPSC Answer KeyUPSC Prelims 2020 • Environment and Ecology

Correct Answer: Option (B) — 2 and 3 only

Concept & Option Breakdown

Standard Reference Verified

Statement 1 is incorrect: According to the CGWB assessment data, around 17% of units are classified as 'overexploited' and 5% as 'critical' (totaling roughly 22%, not 36%).

Statement 2 is correct: The Central Ground Water Authority (CGWA) was constituted under Section 3(3) of the Environment (Protection) Act, 1986 to regulate and control groundwater development and management.

Statement 3 is correct: According to the FAO, India accounts for the largest area equipped for groundwater irrigation in the world (approx. 39 million hectares), exceeding China and the USA.

Elimination Heuristic & Exam Approach

Specific numerical claims like '36% of India’s districts' are frequently tweaked and false in UPSC prelims.

Reviewed by Avinash Sir & Acme AI Research Team

Practice Full-Length & Sectional Prelims Mocks on this Interface

50 simulated tests in the APT Prelims Test Series (₹1,493) or 1-on-1 Mentorship with Avinash Sir.

Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2020 (Q159)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicEnvironment and Ecology → Natural Resources
Official Answer KeyOption (B) — (b) 2 and 3 only

Related & Repeated Prelims PYQs (28)

Questions from other UPSC Prelims years testing the same or closely linked concept.

View Cluster in 3D Graph
2022 • Q12586% Match

Which one of the following has been constituted under the Environment (Protection) Act, 1986?

Environment and Ecology • Environmental GovernanceSolve
2011 • Q5983% Match

With reference to micro-irrigation, which of the following statements is/are correct? 1. Fertilizer/nutrient loss can be reduced. 2. It is the only means of ir

Environment and Ecology • Natural ResourcesSolve
2023 • Q6583% Match

Consider the following statements: Statement-I: According to the United Nations’ World Water Development Report, 2022’, India extracts more than a quarter of t

Environment and Ecology • Pollution & Environmental LawsSolve
2021 • Q783% Match

With reference to the water on the planet Earth, consider the following statements: 1. The amount of water in the rivers and lakes is more than the amount of gr

Environment and Ecology • Ecology & EcosystemsSolve
2014 • Q16982% Match

Consider the following statements: 1. Animal Welfare Board of India was established under the Environment (Protection) Act, 1986. 2. The National Tiger Conserva

Environment and Ecology • Natural ResourcesSolve
2005 • Q10482% Match

Consider the following statements: 1. Total land area of earth is approximately 1475 lakh square kilometers. 2. Ratio of land area to water area of earth is app

Geography • Physical GeographySolve
2023 • Q11782% Match

Consider the following statements: 1. India has more arable area than China. 2. The proportion of irrigated area is more in India as compared to China. 3. The a

Geography • Human & Political GeographySolve
2018 • Q8181% Match

Which of the following is/are the possible consequence/s of heavy sand mining in river beds? 1. Decreased salinity in the river 2. Pollution of groundwater 3. L

Environment and Ecology • Ecology & EcosystemsSolve
2019 • Q17281% Match

Consider the following statements: 1. Under Ramsar Convention, it is mandatory on the part of the Government of India to protect and conserve all the wetlands i

Environment and Ecology • Biodiversity & ConservationSolve
2021 • Q32081% Match

With reference to ‘Water Credit’, consider the following statements: 1. It puts microfinance tools to work in the water and sanitation sector. 2. It is a global

Indian Economy • Indian Economic Planning & GrowthSolve
2019 • Q12481% Match

With reference to the management of minor minerals in India, consider the following statements: 1. Sand is a ‘minor mineral’ according to the prevailing law in

Geography • Economic GeographySolve
2002 • Q30381% Match

With reference to India , which one of the following statements is not correct ?

Geography • Indian GeographySolve
2020 • Q7681% Match

Consider the following statements: 1. Coal ash contains arsenic, lead and mercury. 2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen int

Environment and Ecology • Ecology & EcosystemsSolve
1998 • Q40481% Match

Which one of the following is the correct sequence of the states (labelled 1, 2, 3 and 4) of India shown on the map in descending order in terms of available gr

Geography • Economic GeographySolve
2017 • Q16481% Match

Consider the following statements: The nation-wide ‘Soil Health Card Scheme’ aims at: 1. Expanding the cultivable area under irrigation. 2. Enabling the banks t

International Relations and Current Affairs • Current EventsSolve
2023 • Q11181% Match

With reference to coal-based thermal power plants in India, consider the following statements: 1. None of them uses seawater. 2. None of them are set up in wate

Geography • Human & Political GeographySolve
2000 • Q6380% Match

Consider the following statements: 1. Maharashtra has the largest area under Jowar cultivation. 2. Gujarat is the largest producer of groundnut in India. 3. Raj

Indian Economy • Agriculture & Rural EconomySolve
2021 • Q3280% Match

Consider the following statements: 1. The Global Ocean Commission grants licences for seabed exploration and mining in international waters. 2. India has receiv

International Relations and Current Affairs • Current EventsSolve
2017 • Q5780% Match

Which of the following statements can help in water conservation in agriculture? 1. Reduced or zero tillage of the land 2. Applying gypsum before irrigating th

Environment and Ecology • Natural ResourcesSolve
2019 • Q16880% Match

Consider the following statements: 1. According to the Indian Patents Act, a biological process to create a seed can be patented in India. 2. In India, there is

Science and Technology • Health & MedicineSolve
2022 • Q12680% Match

With reference to Indian laws about wildlife protection, consider the following statements: 1. Wild animals are the sole property of the government. 2. When a w

Environment and Ecology • Environmental GovernanceSolve
2021 • Q4880% Match

In the context of India’s preparation for Climate-Smart Agriculture, consider the following statements: 1. The ‘Climate-Smart Village’ approach in India is a pa

Environment and Ecology • Natural ResourcesSolve
2002 • Q16880% Match

With reference to Indian agriculture, which one of the following statements is correct?

Geography • Indian GeographySolve
2012 • Q24480% Match

With reference to the wetlands of India, consider the following statements: 1. The country’s total geographical area under the category of wetlands is recorded

Geography • Indian GeographySolve
2010 • Q680% Match

Consider the following statements : 1. On the planet Earth, the fresh water available for use amounts to about less than 1% of the total water found. 2. Of the

Geography • Human & Political GeographySolve
2018 • Q5580% Match

With reference to agricultural soils, consider the following statements: 1. A high content of organic matter in soil drastically reduces its water holding capa

Environment and Ecology • Natural ResourcesSolve
2016 • Q7780% Match

What is/are the purpose/purposes of ‘District Mineral Foundations’ in India? 1. Promoting mineral exploration activities in mineral-rich districts 2. Protecting

Indian Economy • Indian Economic Planning & GrowthSolve
2019 • Q10280% Match

Consider the following statements: 1. Agricultural soils release nitrogen oxides into the environment. 2. Cattle release ammonia into the environment. 3. Poultr

Environment and Ecology • Climate Change & Global WarmingSolve

More PYQs from Environment and Ecology (Natural Resources)

Master the Environment and Ecology syllabus cluster by practicing these related previous year questions.

View All Environment and Ecology PYQs
2018 • Q160Natural Resources

The Partnership for Action on Green Economy (PAGE), a UN mechanism to assist countries transition towards greener and more inclusive economies, emerge

Environment and EcologyPractice
2018 • Q161Natural Resources

“Momentum for Change: Climate Neutral Now” is an initiative launched by

Environment and EcologyPractice
2017 • Q162Natural Resources

With reference to ‘Global Climate Change Alliance’, which of the following statements is/are correct? 1. It is an initiative of the European Union. 2.

Environment and EcologyPractice
2017 • Q163Natural Resources

Consider the following statements: 1. Climate and Clean Air Coalition (CCAC) to Reduce Short Lived Climate Pollutants is a unique initiative of G2O gr

Environment and EcologyPractice
2017 • Q164Natural Resources

Consider the following statements in respect of Trade Related Analysis of Fauna and Flora in Commerce (TRAFFIC): 1. TRAFFIC is a bureau under the Unit

Environment and EcologyPractice
2016 • Q165Natural Resources

The FAO accords the status of ‘Globally Important Agricultural Heritage System (GIAHS)’ to traditional agricultural systems. What is the overall goal

Environment and EcologyPractice
2015 • Q166Natural Resources

With reference to an organisation known as ‘BirdLife International’, which of the following statements is/are correct? 1. It is a Global Partnership o

Environment and EcologyPractice
2015 • Q167Natural Resources

With reference to the International Union for Conservation of Nature and Natural Resource (IUCN) and the Convention of International Trade in Endanger

Environment and EcologyPractice

Frequently Asked Questions — UPSC Prelims 2020 Q159

What is the official answer for UPSC Prelims 2020 GS Paper I Question 159 (Environment and Ecology)?

The official UPSC answer key for this 2020 Environment and Ecology (Natural Resources) question is Option (B): "(b) 2 and 3 only". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2020 question belong to?

This question belongs to GS Paper I under the subject "Environment and Ecology" and micro-topic "Natural Resources". You can explore all repeated questions from Natural Resources in Acme AI's 3D Prelims PYQ Realm or practice 50 full-length and sectional tests in the APT Prelims Test Series.

How can I solve this Natural Resources UPSC Prelims question using option elimination?

Specific numerical claims like '36% of India’s districts' are frequently tweaked and false in UPSC prelims.

Beyond Previous Year Questions

Structured Prelims Practice & Mentorship

Pair previous year question analysis with full-length simulated mock tests and 1-on-1 faculty guidance.

APT 2027 • 50 Prelims Tests17% OFF

Acme Prelims Test Series (APT)

Built to eliminate 1/3rd negative marking losses and 50–50 option traps through structured simulation and NCERT-backed keys.

  • 50 High-Yield Tests: Subject Sectionals, Current Affairs, CSAT Paper II & Full-Length Simulators
  • 1/3rd Penalty & Trap Analytics: Identify whether marks are lost to over-attempting or conceptual gaps
  • Option-by-Option NCERT Keys: Detailed distractor analysis and elimination logic for every question
  • Custom PDF-to-Mock Generator: Convert your revision notes or current affairs PDFs into practice tests
Complete 50-Test Package
₹1,493₹1,799• Valid till Prelims 2027
1-on-1 Personal MentorshipCapped at 10 Seats

1-on-1 UPSC Mentorship with Avinash Sir

Weekly 1-on-1 strategy reviews, daily study accountability, and personalized MCQ attempt audits with an experienced UPSC mentor.

  • Weekly 1-on-1 Sessions: Direct mentorship with Avinash Sir (Former Plutus IAS Mentor, UPSC & UPPCS Mains Written)
  • APT 50-Test Series Included: Full Prelims GS1 & CSAT test series bundled at no additional cost
  • Mock Attempt & Elimination Audit: Question-by-question review to calibrate your risk and attempt accuracy
  • Prelims & Integrated Tracks: Available as dedicated Prelims mentorship or end-to-end Prelims + Mains guidance
Prelims & Integrated Tracks
17% OFF• Includes APT 50-Test Series