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Earth Day Quiz 7 (25 MCQs)

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1. Trees give us fresh air.
2. Which of the following is not man made sources of water?
3. How many nations celebrate Earth Day?
4. Plants take in water from their roots.Where is the water transported to?A:flowersB:fruitsC:leavesD:stems
5. When do we celebrate Earth Day?
6. Which of the following can not be recycling?
7. When was the Earth day first celebrated?
8. When was the very first EARTH DAY observed?
9. Groups of people that can help to keep the environment clean, happy, and safe are:
10. Earth Day was started by
11. Which of the following are threatened with extinction?
12. How much of the world's food is never eaten, which means that the food's production wasted land and resources and emitted unnecessary greenhouse gases?
13. The thylakoid membrane becomes damaged, causing the inside of the thylakoid to mix with the stroma. Which of the following processes is likely to be most affected by this damage?
14. To make trash into reusable material is to _____
15. The first Earth Day
16. Cars, planes, trains, and factories
17. What significant environmental event is often highlighted on Earth Day?
18. Which of the following theme is not matched correctly?
19. How does industrial waste contribute to pollution?
20. We must PRESERVE nature.What does PRESERVE mean?
21. When do photosynthesis and respiration normally occur in green plants?
22. About what percentage of Earth is made up by water?
23. Most of Earth's breathable air comes from where?
24. In the book Trina is playing with some wooden blocks. Tick the shape you cannot see in the picture.
25. A mutation occurs in the chloroplasts of a lettuce plant, causing its thylakoid membranes to become more permeable to charged ions. How might this mutation affect the Calvin cycle?
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