Earth Day Quiz 8 (20 MCQs)

Quiz Instructions

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1. We should plant more and more day to protect our Earth.
2. When is Earth Day celebrated?
3. What are the main source of water pollution?
4. How many people and countries participate in Earth Day celebration
5. Which of the following explains what happens to oxygen produced by the light-dependent reactions?
6. To use something again is to .....
7. Emily, Ava, and Arjun are on a mission to understand how factories cause pollution. Can you help them figure out one way factories contribute to pollution?
8. Which of the following would the Environmental Protection Agency most likely do?
9. Earth is ..... in colour.
10. What is the primary message conveyed by the narrator in the Earth Day video?
11. Which land-based ecosystem holds the most biodiversity, i.e. concentration of plants and animals?
12. Rohan found an ancient artifact. Oliver suggested preserving it. What does 'preserve' mean in this context?
13. Trina mentions the following living things:
14. What does it mean to reduce?
15. Which gas present in the Earth's atmosphere does produce most of the warming due to greenhouse effect?
16. Where should we throw the garbage?
17. A form of oxygen that is found in a layer high in the earth's atmosphere that blocks some of the sun's rays
18. If there are less landfills there is/are
19. What is the antonym of 'conservation' as discussed in the Earth Day video?
20. To use something carefully is to .....