Test your knowledge about the environment with this World Environment Quiz! From climate change to conservation, these 10 questions cover important topics about our planet and the efforts to protect it.
Quiz Questions
1. What is the largest rainforest in the world?
A) Congo Rainforest
B) Amazon Rainforest
C) Daintree Rainforest
D) Borneo Rainforest
2. Which gas is the primary contributor to the greenhouse effect?
A) Oxygen
B) Nitrogen
C) Carbon Dioxide
D) Hydrogen
3. World Environment Day is celebrated on which date?
A) April 22
B) June 5
C) September 16
D) December 11
4. Which of the following is a renewable source of energy?
A) Coal
B) Natural Gas
C) Solar Energy
D) Petroleum
5. The process of planting trees to restore forests is called:
A) Deforestation
B) Afforestation
C) Reforestation
D) Both B and C
6. Which layer of the atmosphere protects us from harmful UV rays?
A) Troposphere
B) Stratosphere
C) Mesosphere
D) Thermosphere
7. What percentage of the Earth’s surface is covered by water?
A) About 50%
B) About 60%
C) About 71%
D) About 85%
8. Which international agreement aims to limit global warming to below 2 degrees Celsius?
A) Kyoto Protocol
B) Paris Agreement
C) Montreal Protocol
D) Basel Convention
9. What is the main cause of ocean acidification?
A) Oil spills
B) Plastic pollution
C) Absorption of CO2 from the atmosphere
D) Overfishing
10. Which animal is considered a bioindicator of environmental health?
A) Tiger
B) Frog
C) Elephant
D) Lion
Answer Key with Explanations
1. B) Amazon Rainforest – The Amazon Rainforest is the largest rainforest in the world, covering approximately 5.5 million square kilometers across nine South American countries.
2. C) Carbon Dioxide – Carbon dioxide (CO2) is the primary greenhouse gas responsible for trapping heat in the Earth’s atmosphere and causing global warming.
3. B) June 5 – World Environment Day is celebrated every year on June 5, established by the United Nations in 1974 to encourage global environmental awareness.
4. C) Solar Energy – Solar energy is a renewable source of energy that comes from the sun and can be harnessed using solar panels.
5. D) Both B and C – Afforestation refers to planting trees in areas without forests, while reforestation means replanting trees in deforested areas.
6. B) Stratosphere – The ozone layer in the stratosphere absorbs most of the sun’s harmful ultraviolet (UV) radiation, protecting life on Earth.
7. C) About 71% – Approximately 71% of the Earth’s surface is covered by water, with oceans containing about 96.5% of all Earth’s water.
8. B) Paris Agreement – The Paris Agreement, adopted in 2015, aims to limit global warming to well below 2 degrees Celsius above pre-industrial levels.
9. C) Absorption of CO2 from the atmosphere – Ocean acidification occurs when the ocean absorbs carbon dioxide from the atmosphere, leading to a decrease in pH levels.
10. B) Frog – Frogs are considered bioindicators because they are highly sensitive to environmental changes, especially water pollution and habitat degradation.
How many did you get right? Share your score in the comments below and keep learning about protecting our environment!
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