Environmental Science Quiz 23 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. If a cleaner fish cleans another big fish, what type of symbiotic relationship is this?

Correct Answer: B) Mutualism.

2. An area where rivers deposit their load of mineral-rich mud

Correct Answer: C) Salt Marshes.

3. The organisms that break down wastes and dead organisms are:

Correct Answer: A) Decomposers.

4. Three Important minerals found in soil from, smallest to largest.

Correct Answer: C) Clay, silt, sand.

5. The group that doesn't get the experimental treatment in an experiment is the

Correct Answer: A) Control group.

6. The ozone layer is located in the

Correct Answer: A) Stratosphere.

7. Which of the following describes the frozen underground soil that is found in the tundra?

Correct Answer: C) Permafrost.

8. Science can ..... completely prove or disprove an idea.

Correct Answer: B) Never.

9. .....% of energy is passed on to the next level in the food chain/pyramid?

Correct Answer: A) 10%.

10. Which one is an example of recycling?

Correct Answer: C) Making new glass bottles from old ones.

11. Which of the following statement is TRUE?

Correct Answer: D) Eco-Systems may vary in size.

12. Metamorphic rock can form from

Correct Answer: C) Igneous or sedimentary rock.

13. Which of the following is NOT a renewable source of energy?

Correct Answer: C) Coal.

14. All of the following are biotic (living) factors in an ecosystem except .....

Correct Answer: B) Water.

15. Which is a natural indoor air pollulant

Correct Answer: D) Radon.

16. The amount of dissolved salts in water is known as .....

Correct Answer: C) Salinity.

17. Excess use of fertilizers has the most effect on which cycle?

Correct Answer: A) Nitrogen.

18. Release of water vapor from plants

Correct Answer: C) Transpiration.

19. Which is a consequence of clear-cutting?

Correct Answer: A) An increase in atmospheric carbon dioxide.

20. An increase in the average temperature of the Earth's atmosphere (especially sustained increase that causes climatic changes) is called .....

Correct Answer: B) Global warning.