Environment Questions in UPSC Prelims 2026: Difficulty Level, Topic-Wise Analysis

The Environment Questions in UPSC Prelims 2026 once again emerged as one of the most important and high-scoring sections of General Studies Paper 1. The UPSC Civil Services Preliminary Examination, conducted on 24 May 2026, featured a balanced combination of conceptual, current affairs-based, and statement-oriented Environment and Ecology questions.

Candidates preparing for future UPSC examinations should carefully analyse the UPSC Environment Questions 2026 to understand the changing pattern and evolving nature of the examination. Over the years, Environment and Ecology have consistently gained importance due to increasing global attention on climate change, biodiversity conservation, sustainable development, renewable energy, and environmental governance.

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How Many Questions Were Asked from Environment in UPSC Prelims 2026?

One of the most common queries after the examination is: How many questions were asked from Environment in UPSC Prelims 2026?

According to expert analysis and memory-based question papers, nearly 16 to 20 questions in UPSC Prelims 2026 were directly or indirectly related to Environment and Ecology. The section covered a wide range of important themes, including:

• Biodiversity and species conservation
• Climate change conventions and global agreements
• Pollution and environmental governance
• National parks, wetlands, and protected areas
• Sustainable development initiatives
• International environmental organizations
• Renewable energy and carbon emission-related topics
• Agriculture and environment linkage

Environment Questions in UPSC Prelims 2026

Environment Questions in UPSC Prelims 2026 played a significant role in the General Studies Paper, reflecting UPSC’s continued focus on ecology, climate change, biodiversity, and conservation. Several questions were concept-based and required a clear understanding of current environmental issues along with static knowledge. The Environment section maintained its importance as one of the key scoring areas in UPSC Prelims 2026.

22. With reference to Madhav National Park, which of the following statements is/are correct?

1. It was declared a Tiger Reserve in India
2. in 2025.
3. Sakhya Sagar, which is designated as a
4. Ramsar Site, is situated within this
5. National Park.
6. Its area is shared between Madhya
7. Pradesh and Rajasthan.

Select the answer using the code given below:

(a) 1 only

(b) 1 and 2

(c) 2 and 3

(d) 3 only

Answer: (b) 1 and 2

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26. Consider the following statements about Rhynchostylis retusa (Foxtail orchid):

1. It is an epiphytic orchid.
2. The species is endemic to North-east
3. India.
4. It is the State flower of Arunachal
5. Pradesh and Assam.

Which of the statements given above is/are correct?

(a) 1 only

(b) 1 and 3

(c) 2 and 3

(d) 3 only

30. Which one of the following is the first Plan B Vivo certified Reducing Emissions from Deforestation and Forest Degradation (REDD+) project in India?

(a) Uttarakhand REDD+ project
(b) ICFRE-ICIMOD Transboundary REDD+ project in North-Eastern Himalayas
(c) Khasi Hills Community REDD+ project
(d) Sikkim Melamchi Community REDD+ project

Answer: (c) Khasi Hills Community REDD+ project

31. Consider the following statements with reference to India’s response to climate change:

1. India’s Long-Term Low Emission Development Strategy (LT-LEDS) is a crucial tool for achieving net-zero emissions by 2070.
2. India’s 4th Biennial Update Report (BUR-4) submitted in December, 2024 recorded around 8% decrease in Greenhouse gas emissions in 2020 over 2019.
3. Climate-resilient development necessarily depends on quick and short-term achievement of emission reduction targets.

Which of the following relationships among the above statements is/are correct?

1. Statement I is empirically supported by statement II.
2. Statement III contradicts the approach implicit in statement I.
3. Statement I and statement III together establish the premise of long-term sustainability.

Select the answer using the code given below:

(a) 1 only
(b) 1 and 2
(c) 2 and 3
(d) 3 only

Answer: (b) 1 and 2

32. With respect to the Western Hoolock Gibbons, which of the following statements is/are correct?

1. A sanctuary in North-east India is home to this ape species listed as Endangered in the International Union for Conservation of Nature (IUCN) Red List.
2. They have specialized brachiation and can easily swing between trees.
3. They possess a strong and heavy build like gorillas, yet are remarkably agile tree climbers.

Select the answer using the code given below:

(a) 1 only
(b) 1 and 2
(c) 2 and 3
(d) 3 only

Answer: (b) 1 and 2

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33. Which of the following best explain(s) the rationale for protecting mangrove ecosystems in the context of climate resilience?

1. Mangroves reduce tidal energy and store freshwater, making them ideal sites for paddy cultivation in saline estuarine belts.
2. Their salt-sensitive roots filter seawater, making mangroves key to converting coastal land into freshwater aquaculture zones.
3. By withstanding tidal surges and offering biomass resources, mangroves function both as natural bio-shields and livelihood bases for rural communities.

Select the answer using the code given below:

(a) 1 only
(b) 1 and 2
(c) 2 and 3
(d) 3 only

Answer: (d) 3 only

37. Which of the following statements with regard to the arrival of Amur Falcons at Doyang Lake in Nagaland each year from Mongolia is/are correct?

1. It showcases how sustained local conservation efforts can contribute to the arrival and protection of international migratory birds.
2. It reflects the global success of advanced tracking technologies that guide migratory birds back to their stopover sites.
3. It confirms that Amur Falcons have adapted to permanent residency in India due to favourable habitat changes.

Select the answer using the code given below:

(a) 1 only

(b) 1 and 2

(c) 2 and 3

(d) 3 only

Answer: (a) 1 only

42. Which of the following statements in relation to NIRANTAR (National Institute for Research and Application of Natural Resources to Transform, Adapt and Build Resilience), a platform of institutions under the Ministry of Environment, Forest and Climate Change, is/are correct?

1. Ecosystem Survey and Analysis is a vertical under this platform, the lead institute of which is Botanical Survey of India, Kolkata.
2. Research and Management of Ecosystem Service is a vertical under this platform, the lead institute of which is Central Zoo Authority, New Delhi.
3. Capacity Development Support is a vertical under this platform, the lead institute of which is Indian Institute of Forest Management, Bhopal.

Select the answer using the code given below:

(a) 1, 2 and 3

(b) 1 and 3 only

(c) 2 only

(d) 3 only

Answer: (b) 1 and 3 only

70. Which of the following statements with regard to Green Hydrogen is/are correct?

1. It is decarbonized hydrogen obtained from natural gas reforming combined with carbon capture and storage (CCS).
2. It is produced using electrolysis of water with electricity generated by renewable energy.
3. National Green Hydrogen Mission of India aims for abatement of nearly 50 MMT of annual greenhouse gas emissions by 2030.

Select the answer using the code given below:

(a) 1 only

(b) 2 and 3 only

(c) 2 only

(d) 1, 2 and 3

Answer: (b) 2 and 3 only

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UPSC Prelims Environment Questions 2026: Overall Difficulty Level

The UPSC Prelims Environment Questions 2026 were generally rated as moderate to difficult by aspirants and experts. Most questions were statement-based and tested candidates’ conceptual understanding, analytical thinking, and elimination skills rather than direct factual knowledge. The section reflected UPSC’s increasing focus on application-oriented learning and interdisciplinary understanding.

Key Highlights

• Strong emphasis on current environmental developments and climate-related issues
• Several questions linked with international climate agreements and environmental initiatives
• Increased focus on biodiversity, endangered species, and conservation efforts
• Integration of Environment with Geography, Agriculture, and Economy
• More analytical and application-based questions instead of straightforward factual ones

Candidates with strong NCERT fundamentals, regular current affairs preparation, and good command over elimination techniques found the section comparatively manageable.

Trend Analysis of Environment Questions for UPSC Prelims

The Environment and Ecology section has consistently remained one of the most important areas in UPSC Prelims over the past few years.

The trend clearly indicates the growing and consistent importance of Environment and Ecology in the UPSC Civil Services Examination syllabus.

Preparation Strategy After UPSC Prelims 2026

Aspirants preparing for UPSC 2027 should focus on the following preparation strategies:

Build Strong Conceptual Clarity

UPSC is increasingly asking analytical and concept-driven questions instead of direct factual questions. Candidates should focus on understanding concepts deeply rather than memorising facts.

Connect Current Affairs with Static Subjects

Environmental current affairs should be linked with core static subjects such as:

• Geography
• Agriculture
• Economy
• International Relations

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Practice Statement-Based Questions

A large number of Environment Questions in UPSC Prelims 2026 followed the statement-elimination pattern. Regular practice of assertion, statement-based, and conceptual MCQs is essential.

Revise Mapping and Protected Areas

Topics such as national parks, wetlands, biosphere reserves, Ramsar sites, tiger reserves, and important species habitats continue to be highly important for UPSC Prelims.

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