Environment & Biodiversity Current Affairs 2026 – 50 Important MCQs with Answers
Practice 50 Environment & Biodiversity Current Affairs MCQs 2026 with answers and explanations. Important questions for UPSC, SSC, Banking and Railway exams.
1. Which country hosted World Environment Day 2026?
A) India
B) Azerbaijan
C) Brazil
D) Germany
✅ Correct Answer: B) Azerbaijan
Explanation: Azerbaijan hosted World Environment Day on 5 June 2026. The international campaign focused on climate action.
2. What was the main theme of World Environment Day 2026?
A) Beat Plastic Pollution
B) Land Restoration
C) Climate Action
D) Ecosystem Restoration
✅ Correct Answer: C) Climate Action
Explanation: World Environment Day 2026 highlighted the urgency of addressing climate change through collective action, under the campaign #NowForClimate.
3. Which country hosted the UN Climate Change Conference COP30 in 2025?
A) India
B) Brazil
C) United Arab Emirates
D) Azerbaijan
✅ Correct Answer: B) Brazil
Explanation: COP30 was held in Belém, Brazil, in November 2025, bringing countries together to discuss global climate commitments.
4. What was a major climate finance outcome of COP30?
A) Ending all climate finance programmes
B) Tripling adaptation finance by 2035
C) Abolishing carbon markets
D) Replacing the Paris Agreement
✅ Correct Answer: B) Tripling adaptation finance by 2035
Explanation: COP30 called for a tripling of adaptation finance by 2035 to help vulnerable countries respond to climate change.
5. Which international agreement aims to limit global warming to well below 2°C?
A) Montreal Protocol
B) Kyoto Convention
C) Paris Agreement
D) Ramsar Convention
✅ Correct Answer: C) Paris Agreement
Explanation: Adopted in 2015, the Paris Agreement seeks to keep global warming well below 2°C above pre-industrial levels while pursuing efforts to limit it to 1.5°C.
6. What is India's target year for achieving net-zero carbon emissions?
A) 2030
B) 2040
C) 2050
D) 2070
✅ Correct Answer: D) 2070
Explanation: India announced its commitment to achieving net-zero emissions by 2070 at COP26 in Glasgow.
7. Which gas is primarily responsible for human-induced global warming through fossil fuel combustion?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Argon
✅ Correct Answer: B) Carbon dioxide
Explanation: Carbon dioxide is a major greenhouse gas released through coal, petroleum and natural gas combustion.
8. What does NDC stand for in international climate negotiations?
A) National Development Committee
B) Nationally Determined Contribution
C) Natural Development Council
D) National Disaster Convention
✅ Correct Answer: B) Nationally Determined Contribution
Explanation: NDCs are national climate action plans submitted under the Paris Agreement.
9. Which international protocol is associated with the phase-down of hydrofluorocarbons (HFCs)?
A) Kyoto Protocol
B) Cartagena Protocol
C) Kigali Amendment
D) Nagoya Protocol
✅ Correct Answer: C) Kigali Amendment
Explanation: The Kigali Amendment to the Montreal Protocol was adopted in 2016 to gradually reduce the production and consumption of HFCs.
10. Which Sustainable Development Goal specifically addresses climate action?
A) SDG 6
B) SDG 11
C) SDG 13
D) SDG 15
✅ Correct Answer: C) SDG 13
Explanation: Sustainable Development Goal 13 calls for urgent action to combat climate change and its impacts.
11. Which Indian biosphere reserve was included in UNESCO's World Network of Biosphere Reserves in September 2025?
A) Nilgiri Biosphere Reserve
B) Cold Desert Biosphere Reserve
C) Sundarbans Biosphere Reserve
D) Pachmarhi Biosphere Reserve
✅ Correct Answer: B) Cold Desert Biosphere Reserve
Explanation: The Cold Desert Biosphere Reserve in Himachal Pradesh joined UNESCO's World Network of Biosphere Reserves in September 2025.
12. How many Indian biosphere reserves were included in UNESCO's World Network following the addition of the Cold Desert Biosphere Reserve in 2025?
A) 11
B) 12
C) 13
D) 15
✅ Correct Answer: C) 13
Explanation: The 2025 inclusion of the Cold Desert Biosphere Reserve increased India's total to 13 UNESCO-recognised biosphere reserves.
13. Which state is home to the Cold Desert Biosphere Reserve?
A) Uttarakhand
B) Himachal Pradesh
C) Sikkim
D) Arunachal Pradesh
✅ Correct Answer: B) Himachal Pradesh
Explanation: The Cold Desert Biosphere Reserve is situated in the Lahaul–Spiti region of Himachal Pradesh.
14. Which Indian wildlife sanctuary became an additional location for Project Cheetah in 2025?
A) Gir Wildlife Sanctuary
B) Gandhi Sagar Wildlife Sanctuary
C) Periyar Wildlife Sanctuary
D) Bhadra Wildlife Sanctuary
✅ Correct Answer: B) Gandhi Sagar Wildlife Sanctuary
Explanation: Project Cheetah expanded to Gandhi Sagar Wildlife Sanctuary in Madhya Pradesh in 2025.
15. Which national park was the original site of India's cheetah reintroduction programme launched in 2022?
A) Kaziranga National Park
B) Kuno National Park
C) Ranthambore National Park
D) Bandipur National Park
✅ Correct Answer: B) Kuno National Park
Explanation: Kuno National Park in Madhya Pradesh was selected for the initial reintroduction of African cheetahs into India.
16. Which tiger reserve was declared India's 58th tiger reserve in 2025?
A) Madhav Tiger Reserve
B) Sariska Tiger Reserve
C) Similipal Tiger Reserve
D) Nagarjunsagar Tiger Reserve
✅ Correct Answer: A) Madhav Tiger Reserve
Explanation: Madhav Tiger Reserve in Madhya Pradesh became India's 58th tiger reserve in 2025.
17. In which state is Madhav Tiger Reserve located?
A) Rajasthan
B) Madhya Pradesh
C) Maharashtra
D) Karnataka
✅ Correct Answer: B) Madhya Pradesh
Explanation: Madhav Tiger Reserve is located in the Shivpuri district of Madhya Pradesh.
18. Which tiger reserve in West Bengal received a tigress under a reintroduction initiative in October 2026?
A) Sundarbans Tiger Reserve
B) Buxa Tiger Reserve
C) Similipal Tiger Reserve
D) Manas Tiger Reserve
✅ Correct Answer: B) Buxa Tiger Reserve
Explanation: A tigress was released into Buxa Tiger Reserve in October 2026 as part of efforts to restore its tiger population.
19. Which organisation manages Project Tiger at the national level in India?
A) Zoological Survey of India
B) National Tiger Conservation Authority
C) Central Pollution Control Board
D) Wildlife Institute of India
✅ Correct Answer: B) National Tiger Conservation Authority
Explanation: The NTCA is the statutory authority responsible for strengthening tiger conservation under Project Tiger
20. Which animal is the focus of India's Project Elephant?
A) Indian rhinoceros
B) Asian elephant
C) Snow leopard
D) Wild water buffalo
✅ Correct Answer: B) Asian elephant
Explanation: Project Elephant was launched in 1992 to protect Asian elephants, their habitats and migration corridors.
21. How many Ramsar sites did India have following the addition of Sukhna Wetland and Sauj Jheel in October 2026?
A) 96
B) 98
C) 101
D) 103
✅ Correct Answer: D) 103
Explanation: India's Ramsar site count reached 103 in October 2026 following the designation of Sukhna Wetland and Sauj Jheel.
22. Sukhna Wetland, designated as a Ramsar site in 2026, is located in which Union Territory?
A) Delhi
B) Chandigarh
C) Puducherry
D) Ladakh
✅ Correct Answer: B) Chandigarh
Explanation: Sukhna Wetland in Chandigarh was among the new additions to India's Ramsar network in October 2026.
23. Sauj Jheel, added to India's Ramsar network in 2026, is located in which state?
A) Bihar
B) Rajasthan
C) Uttar Pradesh
D) Haryana
✅ Correct Answer: C) Uttar Pradesh
Explanation: Sauj Jheel is located in the Mainpuri district of Uttar Pradesh.
24. Which two Indian cities received Ramsar Wetland City Accreditation in January 2025?
A) Jaipur and Bhopal
B) Indore and Udaipur
C) Chennai and Kochi
D) Surat and Ahmedabad
✅ Correct Answer: B) Indore and Udaipur
Explanation: Indore and Udaipur became India's first internationally accredited Wetland Cities under the Ramsar Convention.
25. Which Indian state had the highest number of Ramsar sites in October 2026?
A) Uttar Pradesh
B) Gujarat
C) Tamil Nadu
D) Madhya Pradesh
✅ Correct Answer: C) Tamil Nadu
Explanation: Tamil Nadu led India with 20 Ramsar sites, followed by Uttar Pradesh with 14, according to October 2026 reporting.
26. Which convention provides international recognition to wetlands of ecological importance?
A) Basel Convention
B) Ramsar Convention
C) Stockholm Convention
D) Vienna Convention
✅ Correct Answer: B) Ramsar Convention
Explanation: The Ramsar Convention was adopted in Ramsar, Iran, in 1971 to promote wetland conservation and wise use.
27. Which Indian state contains Chhari-Dhand, added to the Ramsar list in January 2026?
A) Gujarat
B) Rajasthan
C) Maharashtra
D) Odisha
✅ Correct Answer: A) Gujarat
Explanation: Chhari-Dhand is a significant seasonal wetland in the Kutch district of Gujarat.
28. What is the primary objective of India's MISHTI initiative?
A) Protect desert ecosystems
B) Restore mangrove ecosystems
C) Increase freshwater fishing
D) Establish tiger reserves
✅ Correct Answer: B) Restore mangrove ecosystems
Explanation: MISHTI stands for Mangrove Initiative for Shoreline Habitats and Tangible Incomes. It promotes mangrove restoration along India's coasts.
29. According to India's Environment Ministry's 2025 year-end review, approximately how many hectares of mangroves were restored under MISHTI during 2025?
A) 1,200 hectares
B) 2,500 hectares
C) 4,536 hectares
D) 10,000 hectares
✅ Correct Answer: C) 4,536 hectares
Explanation: The ministry reported the restoration of 4,536 hectares of mangroves in 2025 under MISHTI.
30. Which natural ecosystem helps protect coastal regions from cyclones, storm surges and erosion?
A) Desert grasslands
B) Mangrove forests
C) Alpine meadows
D) Temperate grasslands
✅ Correct Answer: B) Mangrove forests
Explanation: Mangrove ecosystems act as natural coastal barriers and provide important habitats for marine biodiversity.
31. Where was the resumed session of the UN Biodiversity Conference COP16 concluded in February 2025?
A) Paris, France
B) Rome, Italy
C) Nairobi, Kenya
D) Geneva, Switzerland
✅ Correct Answer: B) Rome, Italy
Explanation: COP16 resumed in Rome in February 2025, where countries reached agreements on biodiversity finance and monitoring.
32. What is the primary purpose of the Cali Fund launched in 2025?
A) Finance nuclear energy
B) Support biodiversity conservation through benefit-sharing from genetic data
C) Build large dams
D) Fund fossil fuel exploration
✅ Correct Answer: B) Support biodiversity conservation through benefit-sharing from genetic data
Explanation: The Cali Fund supports fair and equitable benefit-sharing arising from the commercial use of digital sequence information on genetic resources.
33. What percentage of Cali Fund resources is intended to support Indigenous peoples and local communities?
A) 10%
B) 25%
C) 50%
D) 75%
✅ Correct Answer: C) 50%
Explanation: Half of the Cali Fund's resources are intended to support the self-identified needs of Indigenous peoples and local communities, including women and young people.
34. What does the Kunming–Montreal Global Biodiversity Framework's "30 by 30" target aim to achieve?
A) Reduce emissions by 30% by 2030
B) Conserve at least 30% of land and sea areas by 2030
C) Plant 30 billion trees annually
D) Eliminate 30% of fossil fuels by 2030
✅ Correct Answer: B) Conserve at least 30% of land and sea areas by 2030
Explanation: Target 3 of the Global Biodiversity Framework calls for the effective conservation and management of at least 30% of terrestrial, inland water, coastal and marine areas by 2030.
35. Which international organisation maintains the Red List of Threatened Species?
A) UNESCO
B) IUCN
C) WHO
D) WTO
✅ Correct Answer: B) IUCN
Explanation: The International Union for Conservation of Nature maintains the IUCN Red List to assess species' global extinction risks.
36. Which category on the IUCN Red List indicates the highest extinction risk among species that still survive in the wild?
A) Vulnerable
B) Near Threatened
C) Endangered
D) Critically Endangered
✅ Correct Answer: D) Critically Endangered
Explanation: Critically Endangered species face an extremely high risk of extinction in the wild.
37. Which biodiversity hotspot includes parts of India's northeastern states?
A) Mediterranean Basin
B) Indo-Burma
C) California Floristic Province
D) Cape Floristic Region
✅ Correct Answer: B) Indo-Burma
Explanation: The Indo-Burma biodiversity hotspot includes parts of northeastern India and neighbouring Southeast Asian regions.
38. Which international convention regulates trade in endangered wild animals and plants?
A) CITES
B) UNFCCC
C) UNCCD
D) UNCLOS
✅ Correct Answer: A) CITES
Explanation: The Convention on International Trade in Endangered Species of Wild Fauna and Flora regulates international wildlife trade to prevent threats to species survival.
39. Which biodiversity conservation method protects organisms within their natural habitats?
A) Ex-situ conservation
B) In-situ conservation
C) Artificial selection
D) Cryopreservation
✅ Correct Answer: B) In-situ conservation
Explanation: National parks, wildlife sanctuaries and biosphere reserves are examples of in-situ conservation.
40. Which biodiversity conservation method includes seed banks, botanical gardens and captive breeding programmes?
A) In-situ conservation
B) Ex-situ conservation
C) Natural regeneration
D) Ecological succession
✅ Correct Answer: B) Ex-situ conservation
Explanation: Ex-situ conservation involves protecting species outside their natural habitats.
41. What was India's global ranking in total forest area according to the FAO Global Forest Resources Assessment 2025?
A) 5th
B) 7th
C) 9th
D) 12th
✅ Correct Answer: C) 9th
Explanation: India's Environment Ministry reported that the country ranked ninth globally in total forest area in the FAO's 2025 assessment.
42. How many tiger reserves did India have according to the Environment Ministry's 2025 year-end review?
A) 50
B) 54
C) 58
D) 62
✅ Correct Answer: C) 58
Explanation: India had 58 tiger reserves in 2025, compared with 46 in 2014.
43. How many elephant reserves did India have in 2025, according to the Environment Ministry's year-end review?
A) 25
B) 30
C) 33
D) 40
✅ Correct Answer: C) 33
Explanation: The number of elephant reserves in India increased to 33 in 2025, compared with 26 in 2014.
44. What is the primary objective of India's National Clean Air Programme (NCAP)?
A) Improve ocean biodiversity
B) Reduce air pollution in Indian cities
C) Increase agricultural exports
D) Promote deep-sea mining
✅ Correct Answer: B) Reduce air pollution in Indian cities
Explanation: Launched in 2019, NCAP seeks to improve air quality through measures targeting particulate matter and other pollution sources.
45. Which pollutant is represented by PM2.5 in air-quality monitoring?
A) Carbon dioxide particles
B) Particulate matter with a diameter of 2.5 micrometres or less
C) Methane molecules
D) Sulphur particles larger than 10 micrometres
✅ Correct Answer: B) Particulate matter with a diameter of 2.5 micrometres or less
Explanation: PM2.5 refers to fine particulate matter that can penetrate deep into the lungs and adversely affect human health.
46. Which Indian campaign encourages citizens to plant trees in honour of their mothers?
A) Namami Gange
B) Ek Ped Maa Ke Naam
C) Swachh Bharat Mission
D) Mission LiFE
✅ Correct Answer: B) Ek Ped Maa Ke Naam
Explanation: Launched in June 2024, Ek Ped Maa Ke Naam promotes tree planting and public participation in environmental conservation.
47. What does EPR stand for in waste management?
A) Environmental Protection Regulation
B) Extended Producer Responsibility
C) Ecological Preservation Rules
D) Energy Production Requirement
✅ Correct Answer: B) Extended Producer Responsibility
Explanation: EPR makes producers responsible for managing specified products or packaging at the post-consumer stage, helping promote recycling and a circular economy.
48. Which Indian initiative promotes environmentally conscious individual behaviour and sustainable lifestyles?
A) Mission LiFE
B) Project Dolphin
C) Project Tiger
D) National Solar Mission
✅ Correct Answer: A) Mission LiFE
Explanation: Mission LiFE stands for Lifestyle for Environment. It encourages individuals and communities to adopt environmentally responsible habits.
49. What is the primary objective of the International Solar Alliance?
A) Promote coal-based energy
B) Encourage international cooperation in solar energy deployment
C) Regulate nuclear power
D) Protect marine biodiversity
✅ Correct Answer: B) Encourage international cooperation in solar energy deployment
Explanation: The International Solar Alliance, initiated by India and France, promotes cooperation to expand the use of solar energy.
50. Which international agreement focuses on combating desertification and land degradation?
A) UNFCCC
B) UNCCD
C) CITES
D) Ramsar Convention
✅ Correct Answer: B) UNCCD
Explanation: The United Nations Convention to Combat Desertification addresses desertification, land degradation and drought, particularly in vulnerable regions.





