Challenge your environmental knowledge with our comprehensive Earth Day quiz to gauge your understanding of the planet’s critical issues and the actions we can take to protect it.
Section 1: Earth’s Vital Statistics
1. What is the Earth’s estimated age?
- a) 4.5 billion years
- b) 6.5 billion years
- c) 8.5 billion years
- d) 10.5 billion years
2. What is the Earth’s surface area covered by water?
- a) 60%
- b) 71%
- c) 81%
- d) 91%
3. What percentage of the Earth’s oxygen is produced by ocean phytoplankton?
- a) 25%
- b) 50%
- c) 75%
- d) 90%
Section 2: Climate Change
4. What is the primary greenhouse gas emitted by human activities?
- a) Carbon dioxide
- b) Methane
- c) Nitrous oxide
- d) Chlorofluorocarbons
5. What year was the Paris Agreement adopted?
- a) 2015
- b) 2018
- c) 2021
- d) 2024
6. What is the projected global temperature rise by 2100 under a business-as-usual scenario?
- a) 1.5°C
- b) 2.5°C
- c) 4°C
- d) 6°C
Section 3: Sustainable Living
7. What is the “3R” principle of waste management?
- a) Reduce, Reuse, Recycle
- b) Refuse, Reuse, Recycle
- c) Recycle, Reduce, Reuse
- d) Recycle, Refuse, Reduce
8. What is the definition of a “renewable resource”?
- a) A resource that can be replaced naturally within a human lifetime
- b) A resource that cannot be replaced naturally
- c) A resource that is available in infinite quantities
- d) A resource that is found only in certain parts of the world
9. What is the estimated cost of environmental degradation globally each year?
- a) $10 trillion
- b) $20 trillion
- c) $30 trillion
- d) $40 trillion
Section 4: biodiversity
10. What is the estimated number of species on Earth?
- a) 10 million
- b) 30 million
- c) 100 million
- d) 1 billion
11. What is the main driver of biodiversity loss?
- a) Habitat loss
- b) Overexploitation
- c) Climate change
- d) Pollution
12. What is the Millennium Development Goal (MDG) related to biodiversity?
- a) To reduce biodiversity loss by 2010
- b) To ensure sustainable use of biodiversity by 2020
- c) To promote equitable sharing of the benefits of biodiversity by 2030
- d) To enhance the capacity of developing countries to manage biodiversity by 2040
Section 5: Earth Day Actions
13. What is the theme of Earth Day 2023?
- a) Invest in our Planet
- b) Restore our Earth
- c) Protect our planet
- d) Sustain our Earth
14. What is the purpose of the Earth Hour movement?
- a) To raise awareness about climate change
- b) To promote renewable energy
- c) To reduce energy consumption
- d) To engage citizens in environmental action
15. What can individuals do to reduce their environmental footprint?
- a) Recycle, reduce waste, conserve energy
- b) Eat less meat, drive less, plant trees
- c) Support sustainable businesses, educate others
- d) All of the above
Answer Key:
Section 1:
1.a
2.b
3.b
Section 2:
4.a
5.a
6.c
Section 3:
7.a
8.a
9.b
Section 4:
10.a
11.a
12.b
Section 5:
13.a
14.a
15.d