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World Environment Day 2025 Quiz: 50+ Questions & Answers

World Environment Day, observed every year on June 5, is a global platform to raise awareness and encourage action for the protection of the environment. In 2025, this important day takes on even greater relevance as the world faces increasing challenges from climate change, pollution, deforestation, and biodiversity loss.

One of the most engaging ways to celebrate this occasion is through interactive quizzes, which are perfect for students, educators, environmental enthusiasts, and general readers. In this article, we present 50+ World Environment Day Quiz Questions and Answers, categorized by difficulty and topic.

Theme of World Environment Day 2025

The theme for World Environment Day 2025 is:

“Restore Nature, Rebuild the Future”

This year’s theme emphasizes the urgent need to restore degraded ecosystems, reverse biodiversity loss, and create a sustainable future. It invites individuals and governments to take active steps toward ecosystem restoration, a key component of climate and environmental recovery.

Why Celebrate World Environment Day with a Quiz?

  • Increases awareness about pressing environmental issues.
  • Promotes sustainable thinking among students and communities.
  • Encourages eco-friendly habits in a fun and interactive way.
  • Tests your knowledge of ecology, climate change, and global policies.

World Environment Day Quiz: 50+ Questions and Answers

We’ve divided this mega quiz into five sections:

  • Section A: General Knowledge (Easy)
  • Section B: Climate Change and Pollution
  • Section C: Biodiversity and Ecosystems
  • Section D: India-Specific Environment Quiz
  • Section E: Environmental Days, Symbols, and Global Agreements

Section A: General Knowledge (Easy)

  1. When is World Environment Day celebrated?
    June 5
  2. Which organization leads the World Environment Day celebrations?
    United Nations Environment Programme (UNEP)
  3. What was the first year of World Environment Day?
    1974
  4. Which country hosted the first World Environment Day?
    United States
  5. What is the symbol of recycling?
    Three chasing arrows forming a triangle
  6. What gas do trees absorb from the atmosphere?
    Carbon dioxide (CO₂)
  7. Which layer of the atmosphere protects us from UV rays?
    Ozone layer
  8. What is the full form of UNEP?
    United Nations Environment Programme
  9. Name one non-renewable resource.
    Coal
  10. Which continent has the largest rainforest?
    South America (Amazon Rainforest)

Section B: Climate Change and Pollution

  1. What is the major greenhouse gas responsible for climate change?
    Carbon dioxide
  2. What is global warming?
    The increase in Earth’s average temperature due to greenhouse gases
  3. Which gas is primarily responsible for ozone depletion?
    Chlorofluorocarbons (CFCs)
  4. Which human activity contributes most to air pollution?
    Burning fossil fuels
  5. What does the term ‘carbon footprint’ mean?
    The total greenhouse gases emitted by an individual or organization
  6. Name a renewable source of energy.
    Solar energy
  7. Which country emits the most CO₂ globally?
    China
  8. What is the term for the melting of ice caps due to climate change?
    Glacial retreat
  9. Which ocean is currently facing a plastic pollution crisis known as the ‘plastic soup’?
    Pacific Ocean
  10. What is e-waste?
    Electronic waste

Section C: Biodiversity and Ecosystems

  1. What is biodiversity?
    The variety of life forms on Earth
  2. Which is the most diverse biome on Earth?
    Rainforest
  3. Name an endangered animal found in India.
    Bengal Tiger
  4. What is an ecosystem?
    A community of organisms interacting with their environment
  5. Which biome is known as the “lungs of the Earth”?
    Amazon Rainforest
  6. What is deforestation?
    Clearing of forests for agriculture or development
  7. Why are bees important to biodiversity?
    They help pollinate plants
  8. What are mangroves?
    Coastal forests that grow in saltwater
  9. Which animal is considered a keystone species?
    Wolf (regulates the ecosystem)
  10. What is the Red List?
    A list of endangered species published by the IUCN

Section D: India-Specific Environment Quiz

  1. Which river is considered the most polluted in India?
    Yamuna
  2. Which Indian state is known for eco-tourism?
    Kerala
  3. Name India’s first national park.
    Jim Corbett National Park
  4. Which city in India is known for high air pollution levels?
    Delhi
  5. Which Indian project aimed at planting trees to combat deforestation?
    Green India Mission
  6. Which act in India is related to the protection of wildlife?
    Wildlife Protection Act, 1972
  7. What is the Chipko Movement?
    A forest conservation movement where people hugged trees
  8. Which Indian city banned plastic completely in 2020?
    Sikkim
  9. What is Project Tiger?
    A conservation program to save tigers in India
  10. Which Indian environmentalist is known as the “Waterman of India”?
    Rajendra Singh

Section E: Environmental Days, Symbols, and Global Agreements

  1. What is the theme of Earth Day 2025?
    Answer based on official announcement (to be updated)
  2. What was the Paris Agreement?
    A 2015 climate pact to reduce global warming
  3. What is the Kyoto Protocol?
    An international treaty to control greenhouse gas emissions
  4. Which country hosted World Environment Day 2023?
    Côte d’Ivoire
  5. What is Earth Hour?
    An event encouraging people to turn off lights for one hour
  6. Which day is celebrated as World Water Day?
    March 22
  7. What does the green color in the recycling symbol represent?
    Sustainability and eco-friendliness
  8. What is Agenda 21?
    A global action plan for sustainable development
  9. Which summit introduced the concept of sustainable development?
    Earth Summit, Rio de Janeiro, 1992
  10. What does ‘Net Zero’ mean in climate goals?
    Balancing emitted and removed carbon from the atmosphere
  11. Which UN goal focuses on climate action?
    Sustainable Development Goal 13 (SDG 13)

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📘 Conclusion

World Environment Day 2025 is more than just a celebration—it’s a call to action for every individual to contribute to restoring nature and rebuilding a sustainable future. Quizzes like these are excellent tools to spark curiosity and deepen our understanding of the Earth’s most urgent environmental issues.

Encourage your school, college, workplace, or community to host a quiz competition this June 5th. Let’s spread knowledge and drive action—because knowledge is the first step toward change.

Harshvardhan Mishra

Harshvardhan Mishra is a tech expert with a B.Tech in IT and a PG Diploma in IoT from CDAC. With 6+ years of Industrial experience, he runs HVM Smart Solutions, offering IT, IoT, and financial services. A passionate UPSC aspirant and researcher, he has deep knowledge of finance, economics, geopolitics, history, and Indian culture. With 11+ years of blogging experience, he creates insightful content on BharatArticles.com, blending tech, history, and culture to inform and empower readers.

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