Environmental Sciences Quiz 590 (20 MCQs)

Quiz Instructions

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1. In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is true about there relationship?

Correct Answer: A) Both of the solution are Bases.

2. The process in which nitrogen circulates among the air, soil, water, plants, and animals in an ecosystem.

Correct Answer: B) Nitrogen Cycle.

3. Biodiversity is the variety of ..... in a community.

Correct Answer: C) Species.

4. World Ocean

Correct Answer: B) A single, large, interconnected body of water that covers 70% of Earth's surface.

5. What part of Earth encompasses all areas where organisms can live?

Correct Answer: A) Biosphere.

6. Which of the following bodies of freshwater does not flow?

Correct Answer: D) Pond.

7. What causes most coastal pollution in the United States?

Correct Answer: C) Industrial waste and sewage.

8. Melted rock that reaches the surface of Earth

Correct Answer: A) Lava.

9. Stream-like movements of cold, dense water near the ocean floor are called

Correct Answer: B) Deep currents.

10. Which of the following is a factor that influences where an organism lives in an aquatic ecosystem?

Correct Answer: D) All of the above.

11. What is the name of a single type of atom?

Correct Answer: C) Element.

12. International agreement to limit CFC production

Correct Answer: A) Montreal Protocol.

13. Producers should strive to ..... an animal's ability to grow, reproduce, and maintain adequate health.

Correct Answer: A) Maximize.

14. Which cannot be recycled?

Correct Answer: C) Clothes.

15. Salvage logging can

Correct Answer: C) Promote wildfires.

16. An organism that can manufacture organic substances from inorganic substances using energy is a

Correct Answer: B) Producer.

17. The fish produce waste called ..... which is converted by bacteria into ..... which is then converted into ..... that can be used by the plants.

Correct Answer: B) Ammonia, nitrites, nitrates.

18. Which is best described as a colloid of smoke, fog, and various chemicals?

Correct Answer: D) Smog.

19. What do you call broad explanations of phenomenon supported by much evidence and may include more than one hypothesis?

Correct Answer: B) Scientific theory.

20. Which is a primary energy source used by power plants to generate electricity?

Correct Answer: B) Coal.