Free Online Quiz Contest on World Environment Day 2025

Organizer: Shiksha Mandal’s, Bajaj College of Science, Wardha (Formerly Jankidevi Bajaj College of Science) An Autonomous College affiliated to RTM Nagpur University, Nagpur A Linguistic Minority College, DST-FIST Supported, NAAC Reaccredited Fourth Cycle.

About the Quiz

  • Environmental Quiz on World Environment Day 2025, celebrate World Environment Day with an exciting Environmental Quiz!
  • Date: 05 June 2025
  • Time: 10:00 AM to 04:00 PM
  • Let’s come together to raise awareness and inspire action for a greener, cleaner future!
  • Open to All Participants.

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World Environment Day is an annual global observance held on June 5th to encourage awareness and action for the protection of our environment.
It is the primary United Nations outreach day supporting the environment and engages millions of people across more than 150 countries.
It is celebrated on every year on June 5, to raise global awareness and mobilize action on pressing environmental issues.
It serves as a platform for governments, businesses, communities, and individuals to come together and address challenges like climate change, deforestation, pollution, and biodiversity loss.

World Environment Day was established by the United Nations General Assembly in 1972 at the Stockholm Conference on the Human Environment.
The first World Environment Day was celebrated in 1974 with the theme “Only One Earth.”

Are you ready to take on the challenge and become an Eco-Warrior? Let’s play, learn, and make a different?

100% Correct Answers Here

The quiz consist of 50 MCQs.

  1. When is World Environment Day celebrated?
    *
    1 point
    A. June 1
    B. June 5
    C. April 22
    D. July 11
  2. Which organization started World Environment Day?
    *
    1 point
    A. World Bank
    B. UNEP
    C. WHO
    D. WWF
  3. What was the first theme of World Environment Day in 1974?
    *
    1 point
    A. Only One Earth
    B. Beat Plastic Pollution
    C. Go Green
    D. Think Globally, Act Locally
  4. Which country hosted World Environment Day 2023?
    *
    1 point
    A. India
    B. Kenya
    C. Sweden
    D. Côte d’Ivoire
  5. What was the theme for World Environment Day 2023?
    *
    1 point
    A. Time for Nature
    B. Ecosystem Restoration
    C. Ending Global Plastic Pollution
    D. Beat Air Pollution
  6. Which gas is most responsible for global warming?
    *
    1 point
    A. Oxygen
    B. Carbon dioxide
    C. Nitrogen
    D. Hydrogen
  7. Which of the following is a renewable source of energy?
    *
    1 point
    A. Coal
    B. Petroleum
    C. Wind
    D. Natural Gas
  8. Which layer of the atmosphere protects us from UV radiation?
    *
    1 point
    A. Troposphere
    B. Ozone layer
    C. Mesosphere
    D. Ionosphere
  9. Which of the following is not biodegradable?
    *
    1 point
    A. Paper
    B. Glass
    C. Vegetable peels
    D. Cotton cloth
  10. What percentage of Earth’s surface is covered by water?
    1 point
    A. 51%
    B. 61%
    C. 71%
    D. 81%
  11. Which is the main cause of air pollution in cities?
    *
    1 point
    A. Trees
    B. Vehicles
    C. Rivers
    D. Mountains
  12. The term ‘acid rain’ is associated with which pollutants?
    *
    1 point
    A. CO2 and H2O
    B. NO2 and SO2
    C. O2 and CH2
    D. CO and CO2
  13. Which is the most common greenhouse gas emitted by human activities?
    *
    1 point
    A. Methane
    B. Nitrous oxide
    C. Carbon dioxide
    D. Chlorofluorocarbons
  14. Deforestation leads to:
    *
    1 point
    A. Reduced rainfall
    B. Loss of biodiversity
    C. Soil erosion
    D. All of the above
  15. The process of replanting trees is called:
    *
    1 point
    A. Deforestation
    B. Agriculture
    C. Reforestation
    D. Desertification
  16. Which biome has the highest biodiversity?
    *
    1 point
    A. Tundra
    B. Desert
    C. Rainforest
    D. Grassland
  17. Which animal is considered a keystone species in many ecosystems?
    *
    1 point
    A. Deer
    B. Elephant
    C. Ant
    D. Snake
  18. Which of the following is a threat to biodiversity?
    *
    1 point
    A. Habitat destruction
    B. Climate change
    C. Invasive species
    D. All of the above
  19. Which is the largest land carnivore?
    *
    1 point
    A. Lion
    B. Polar Bear
    C. Tiger
    D. Grizzly Bear
  20. Coral reefs are also known as:
    *
    1 point
    A. Deserts of the sea
    B. Rainforests of the sea
    C. Oceans’ lungs
    D. Oceanic deserts
  21. Which of the following is an example of “Reduce” in the 3Rs?
    *
    1 point
    A. Using both sides of paper
    B. Buying less packaging
    C. Composting food waste
    D. Recycling newspapers
  22. Which of these is NOT a renewable resource?
    *
    1 point
    A. Sunlight
    B. Coal
    C. Wind
    D. Biomass
  23. What does ‘carbon footprint’ measure?
    *
    1 point
    A. Water usage
    B. Amount of greenhouse gases emitted
    C. Land usage
    D. Air quality
  24. What type of bag is most environmentally friendly?
    *
    1 point
    A. Plastic bag
    B. Paper bag
    C. Jute or cloth bag
    D. Nylon bag
  25. Which energy source causes the least pollution?
    *
    1 point
    A. Coal
    B. Nuclear
    C. Wind
    D. Diesel
  26. The Kyoto Protocol is related to:
    *
    1 point
    A. Nuclear energy
    B. Air traffic control
    C. Climate change
    D. Water pollution
  27. The Paris Agreement aims to:
    *
    1 point
    A. Reduce trade barriers
    B. Protect endangered animals
    C. Limit global warming
    D. End ocean pollution
  28. Which Indian law deals with forest conservation?
    *
    1 point
    A. Wildlife Act
    B. Environment Protection Act
    C. Forest Conservation Act
    D. Water Act
  29. Which international body monitors climate change?
    *
    1 point
    A. IMF
    B. WHO
    C. IPCC
    D. WTO
  30. Which of these is a wildlife conservation project in India?
    *
    1 point
    A. Project Water
    B. Project Elephant
    C. Project River
    D. Project Forest
  31. What is the main cause of water pollution?
    *
    1 point
    A. Tree plantation
    B. Industrial waste
    C. Eco-tourism
    D. Wildlife migration
  32. Which of the following helps conserve water at home?
    *
    1 point
    A. Keeping taps open
    B. Watering lawns daily
    C. Fixing leaks
    D. Using sprinklers
  33. Greywater refers to:
    *
    1 point
    A. Sewage water
    B. Storm water
    C. Wastewater from baths and sinks
    D. Drinking water
  34. Which waste is best suited for composting?
    *
    1 point
    A. Plastic
    B. Vegetable peels
    C. Metal cans
    D. Glass bottles
  35. Sanitary landfills are used for:
    *
    1 point
    A. Organic farming
    B. Plastic recycling
    C. Safe disposal of waste
    D. Water purification
  36. Which human activity contributes most to climate change?
    *
    1 point
    A. Walking
    B. Flying
    C. Burning fossil fuels
    D. Reading
  37. Which is a consequence of global warming?
    *
    1 point
    A. Melting glaciers
    B. Sea-level rise
    C. Extreme weather
    D. All of the above
  38. Which sector emits the most greenhouse gases globally?
    *
    1 point
    A. Transportation
    B. Industry
    C. Agriculture
    D. Energy production
  39. Which country emits the most carbon dioxide annually (as of 2023)?
    *
    1 point
    A. USA
    B. Russia
    C. India
    D. China
  40. Which continent is most affected by desertification?
    *
    1 point
    A. Asia
    B. Europe
    C. Africa
    D. South America
  41. Solar panels convert:
    *
    1 point
    A. Heat into electricity
    B. Sunlight into electricity
    C. Wind into electricity
    D. Water into electricity
  42. What does LED stand for?
    *
    1 point
    A. Light Emission Diode
    B. Light Energy Device
    C. Light Emitting Diode
    D. Long Energy Device
  43. Which material is most recyclable?
    *
    1 point
    A. Plastic
    B. Paper
    C. Glass
    D. Styrofoam
  44. Green buildings aim to:
    *
    1 point
    A. Use more water
    B. Be less energy-efficient
    C. Be environmentally friendly
    D. Be cheaper
  45. Which is a sustainable mode of transport?
    *
    1 point
    A. Diesel bus
    B. Gasoline car
    C. Bicycle
    D. Motorbike
  46. Which animal is considered the “engineer of the ecosystem”?
    *
    1 point
    A. Beaver
    B. Fox
    C. Ant
    D. Bat
  47. What percentage of Earth’s water is freshwater?
    *
    1 point
    A. 10%
    B. 5%
    C. 2.5%
    D. 25%
  48. Which tree is considered sacred and environmentally significant in India?
    *
    1 point
    A. Neem
    B. Mango
    C. Peepal
    D. Coconut
  49. What color is usually associated with environmental protection?
    *
    1 point
    A. Blue
    B. Red
    C. Green
    D. Yellow
  50. The 3Rs in waste management stand for:
    *
    1 point
    A. Reduce, Remove, Restore
    B. Reduce, Reuse, Recycle
    C. Reuse, Replace, Recycle
    D. Remove, Refill, Reuse

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