Environmental Sciences Quiz 271 (20 MCQs)

Quiz Instructions

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1. Which of the following is a characteristic of life?

Correct Answer: A) Respond to stimuli.

2. Which is NOT a following method for finding climate

Correct Answer: E) All layers of the atmosphere.

3. What layer has convection currents?

Correct Answer: B) Mantle.

4. Which trophic level are the snakes in?

Correct Answer: C) Third.

5. Which zone of an aquatic ecosystem tends to have the highest temperatures?

Correct Answer: A) Photic zone.

6. What year did scientists begin recording the average temp on Earth?

Correct Answer: A) 1884.

7. The process of the concentration of a poison increasing as you move up the food chain/web is known as .....

Correct Answer: A) Biomagnification.

8. What happens to ozone molecules when they absorb UV light?

Correct Answer: B) Ozone is destroyed.

9. Which of these organisms would most likely be found at the top of an energy pyramid?

Correct Answer: B) Sharks.

10. Most rain forest life is on the forest floor.

Correct Answer: B) False.

11. Organisms require energy for all of their life functions, about what percentage of energy is used through each trophic level?

Correct Answer: C) 10 percent.

12. The process by which living organisms convert non-organic chemicals into sugars/energy is called .....

Correct Answer: C) Chemosynthesis.

13. A(n) ..... can become a theory if it is thoroughly tested and passes all tests, ensuring there are no problems with it.

Correct Answer: B) Hypothesis.

14. What are CFC's used in?

Correct Answer: C) Air conditioners.

15. Which list is arranged correctly from the lowest trophic level to the highest?

Correct Answer: C) Grass, mouse, snake, eagle.

16. An object in motion stays in motion

Correct Answer: A) Inertia.

17. The study of living organisms is .....

Correct Answer: A) Biology.

18. All water below the surface of land is called .....

Correct Answer: C) Groundwater.

19. With respect to energy, Earth is a(n)

Correct Answer: C) Open system.

20. Scientists estimate that a single chlorine molecule in the CFC structure can destroy as many as ..... ozone molecules.

Correct Answer: D) 100000.