Environmental Sciences Quiz 146 (20 MCQs)

Quiz Instructions

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1. How can technology affect human impact on the environment?

Correct Answer: A) It can both increase and reduce human impact.

2. Wetland dominated by non woody plants

Correct Answer: B) Marsh.

3. Mass Extinction is best defined as .....

Correct Answer: B) An abnormally large amount of species die out simultaneously or within a short period of time.

4. ..... describes how a mineral's surface reflects light.

Correct Answer: B) Luster.

5. According to the passage, which of the following is TRUE?

Correct Answer: A) A fifth of all the birds in the world live in the rainforest.

6. Which strategy would be most effective in preserving good air quality for future generations?

Correct Answer: B) Reducing human reliance on fossil fuels.

7. Concentrating solar power uses

Correct Answer: D) Mirrors that focus sunlight to generate electricity.

8. Earth has seen five events of staggering proportions that killed off huge numbers of species at once. What are these called?

Correct Answer: B) Mass extinctions.

9. What is an organism that breaks down & absorbs dead matter so nutrients can be recycled into the soil?

Correct Answer: B) Decoposer.

10. Which of the following can be defined as the average state of the atmosphere ate any given place?

Correct Answer: B) Climate.

11. As temperatures on Earth increase, how often are extreme heat days (2-3 days over 90 degrees with high humidity)anticipated to occur?

Correct Answer: C) Every 2-3 years.

12. Any organism that must eat other organisms in order to survive.

Correct Answer: C) Consumer.

13. Earth's precipitation pattern is mainly determined by the pattern of

Correct Answer: A) Global atmospheric circulation.

14. Position with respect to the equator, measuredin degrees north or south

Correct Answer: B) Density.

15. All carbohydrates are composed of carbon, hydrogen, and oxygen. In what ratio are they in?(expressed as carbon:hydrogen:oxygen)

Correct Answer: A) 1:2:1.

16. The fact that organisms are adapted to survive in particular environments helps to explain why

Correct Answer: C) Habitat destruction accounts for most extinctions.

17. Pollutants form once they are in the atmosphere through chemical reactions with water vapor or other atmosphere gases

Correct Answer: A) Secondary.

18. The pattern of water moving between Earth and the atmosphere.

Correct Answer: C) The Water Cycle.

19. Ecocentric pholosophy

Correct Answer: C) Puts nature and ecology as central for humanity.

20. What is the very next thing that happens after fast growth of plants in eutrophication?

Correct Answer: B) Plants below the surface die due to a lack of sunlight.