Environmental Sciences Quiz 149 (20 MCQs)

Quiz Instructions

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1. Which type of protists are said to be the most important because of their ability to make their own food using energy from the sun?

Correct Answer: A) Algae.

2. All of the following would increase global greenhouse gas emissions EXCEPT

Correct Answer: C) Replace coal power plants with solar energy.

3. ..... is the population that can be supported indefinitely by an ecosystem without destroying that ecosystem

Correct Answer: B) Carrying Capacity.

4. A farmer's tractor adds to the carbon footprint of food because .....

Correct Answer: C) It burns fossil fuel traveling back and forth over the fields.

5. Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a .....

Correct Answer: D) Human time scale.

6. The non-living parts of the environment such as rocks, air, temperature, sunlight, and water

Correct Answer: A) Abiotic.

7. What causes for competition in an ecosystem?

Correct Answer: C) Limited Resources.

8. What is called for the practice of regulating forest resources to meet the needs of society and industry while preserving the forest's health?

Correct Answer: B) Sustainable Forest Management.

9. Maria has two chickens. What choice is UNSUSTAINABLE?

Correct Answer: A) Eating one chicken tonight.

10. A species that is likely to become extinct if protective measures are not taken immediately is known as

Correct Answer: D) Endangered species.

11. Which of the following is a disadvantage of dams and reservoirs?

Correct Answer: C) Existing ecosystems changed, displacing species and humans.

12. How much energy is passed on to the next trophic level in a food chain?

Correct Answer: D) 10%.

13. The process in which nitrogen circulates among the air, soil, water, plants, etc. in the ecosystem

Correct Answer: A) Nitrogen Cycle.

14. Which human activity has the most negative impact on water quality?

Correct Answer: D) Agriculture.

15. A natural resource that is used at the same rate that it is replenished is called a:

Correct Answer: A) Renewable resource.

16. Most of Earth's water (about 97%) is

Correct Answer: C) Salt water in the ocean and lakes.

17. Which state is NOT included in the Chesapeake Bay Watershed?

Correct Answer: B) Maine.

18. Which layer of the atmosphere contains the ionosphere?

Correct Answer: D) Thermosphere.

19. Which is an example of a natural disaster?

Correct Answer: A) A small earthquake strikes an area without any cities or towns.

20. Which of the following is NOT a fossil fuel?

Correct Answer: D) Uranium.