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

The Environment Questions in UPSC Prelims 2026 once again proved to be one of the most important and scoring sections of the General Studies Paper 1. The UPSC Civil Services Preliminary Examination was successfully conducted on 24 May 2026, and aspirants observed a balanced mix of conceptual, current affairs-based, and statement-oriented environmental questions.

Candidates preparing for the upcoming UPSC exams must carefully analyze the UPSC environment questions asked this year to understand the evolving trend of the examination. Environment and Ecology continue to hold significant weightage in the prelims paper due to increasing global focus on climate change, biodiversity conservation, sustainability, and environmental governance.

How Many Questions Asked from Environment in UPSC Prelims?

A common question among aspirants after the exam is: how many questions are asked from Environment in UPSC Prelims 2026?

Based on expert analysis and memory-based papers, approximately 16 to 20 questions were directly or indirectly related to Environment and Ecology in UPSC Prelims 2026. This includes questions linked with:

• Biodiversity and species conservation

• Climate change conventions

• Pollution and environmental governance

• National parks and protected areas

• Sustainable development initiatives

• International environmental organizations

• Renewable energy and carbon emissions

• Agriculture-environment linkage

The number confirms that Environment questions for UPSC Prelims remain a high-priority area for aspirants.

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

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

1. It is an epiphytic orchid.

2. The species is endemic to North-east India.

3. It is the State flower of Arunachal

4. 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

Answer: (b) 1 and 3

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:

I. India’s Long-Term Low Emission Development Strategy (LT-LEDS) is a crucial tool for achieving net-zero emissions by 2070.

II. India’s 4th Biennial Update Report (BUR-4) submitted in December, 2024 recorded around 8% decrease in Greenhouse gas emissions in 2020 over 2019.

III. 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

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

UPSC Prelims Environment Questions 2026: Overall Difficulty Level

The UPSC Prelims Environment questions 2026 were considered to be of moderate to difficult level. Many questions were framed in multi-statement format requiring conceptual clarity and elimination techniques.

Key Observations:

• Strong focus on current environmental issues

• Questions connected with international climate summits

• Increased emphasis on species and biodiversity

• Integration of geography and environment concepts

• Application-based rather than factual questions

Students with strong NCERT basics and current affairs preparation found the section manageable.

Preparation Strategy After UPSC Prelims 2026

Students preparing for UPSC 2027 should note the following strategies:

Focus on Conceptual Clarity: UPSC is moving beyond rote learning and asking analytical questions.

Link Current Affairs with Static Topics: Environmental current affairs should be connected with:

• Geography

• Agriculture

• Economy

• International Relations

Practice Statement-Based Questions: Most Environment Questions in UPSC Prelims 2026 followed the statement-elimination pattern.

Revise Mapping and Protected Areas: National parks, wetlands, tiger reserves, and biosphere reserves remain highly important.