Earth Day is celebrated worldwide on April 22 every year, and it serves as a reminder of the importance of taking care of our planet. How much do you know about the environment and its various components? Test your knowledge with this Earth Day Quiz, featuring 20 one-word questions, with options and answers.

Earth Day Quiz 2023
Earth Day Quiz Questions with Answers
- What is the most abundant gas in Earth’s atmosphere?
- A) Oxygen
- B) Nitrogen
- C) Carbon dioxide
- D) Methane
Answer: B) Nitrogen
- What is the process by which plants convert light energy into chemical energy?
- A) Respiration
- B) Photosynthesis
- C) Transpiration
- D) Decomposition
Answer: B) Photosynthesis
- Which gas do humans exhale?
- A) Oxygen
- B) Nitrogen
- C) Carbon dioxide
- D) Methane
Answer: C) Carbon dioxide
- Which type of pollution is caused by excessive noise?
- A) Water pollution
- B) Air pollution
- C) Soil pollution
- D) Noise pollution
Answer: D) Noise pollution
- Which continent is the largest producer of greenhouse gases?
- A) Asia
- B) Europe
- C) North America
- D) South America
Answer: A) Asia
- Which animal is the largest mammal on Earth?
- A) Elephant
- B) Whale
- C) Gorilla
- D) Lion
Answer: B) Whale
- What is the process by which water changes from a liquid to a gas?
- A) Evaporation
- B) Precipitation
- C) Condensation
- D) Sublimation
Answer: A) Evaporation
- What is the name of the layer of ozone in the Earth’s atmosphere?
- A) Stratosphere
- B) Mesosphere
- C) Troposphere
- D) Ionosphere
Answer: A) Stratosphere
- Which country has the highest percentage of renewable energy usage?
- A)
- B) United States
- C) China
- D) Sweden
Answer: D) Sweden
- Which metal is used in batteries and is a major cause of environmental pollution?
- A) Aluminum
- B) Lead
- C) Copper
- D) Zinc
Answer: B) Lead
- What is the name of the process by which soil becomes less fertile due to overuse and depletion of nutrients?
- A) Erosion
- B) Weathering
- C) Desertification
- D) Soil depletion
Answer: D) Soil depletion
- Which type of energy is generated by the movement of water?
- A) Solar energy
- B) Nuclear energy
- C) Wind energy
- D) Hydroelectric energy
Answer: D) Hydroelectric energy
- Which gas is responsible for the depletion of the ozone layer?
- A) Carbon dioxide
- B) Nitrogen
- C) Methane
- D) Chlorofluorocarbons (CFCs)
Answer: D) Chlorofluorocarbons (CFCs)
- Which ocean is the largest in the world by both surface area and volume?
-
- A) Atlantic Ocean
- B) Indian Ocean
- C) Southern Ocean
- D) Pacific Ocean
Answer: D) Pacific Ocean
- Which country is the largest emitter of carbon dioxide?
- A) United States
- B) China
- C) Russia
- D) India
Answer: B) China
- What is the term for the gradual increase in Earth’s temperature caused by greenhouse gases?
- A) Global warming
- B) Climate change
- C) Ozone depletion
- D) Air pollution
Answer: A) Global warming
- Which type of renewable energy uses the heat from the Earth’s core?
- A) Geothermal energy
- B) Solar energy
- C) Wind energy
- D) Hydroelectric energy
Answer: A) Geothermal energy
- Which type of plastic is not biodegradable and can take hundreds of years to decompose?
- A) PET
- B) PVC
- C) HDPE
- D) PLA
Answer: B) PVC
- What is the name of the international treaty signed in 1992 to address climate change?
- A) Kyoto Protocol
- B) Paris Agreement
- C) Rio Declaration
- D) Montreal Protocol
Answer: C) Rio Declaration
- Which natural disaster is caused by the sudden movement of tectonic plates?
- A) Hurricane
- B) Tornado
- C) Earthquake
- D) Tsunami
Answer: C) Earthquake
Also Read
- Happy Earth Day 2023 Images, Posters, Quotes, Slogans, Coloring Pages, Messages, SMS and Whatsapp Status
- World Environment Day 2022: Images, Posters, Quotes and Slogans
Conclusion
Congratulations on completing the Earth Day Quiz! We hope this quiz has helped you learn more about the environment and its various components. , small changes in our daily lives can go a long way in protecting the planet. Let’s all work together to make our planet a better place for future generations.
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