Environmental Sciences Quiz 254 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Coal burning ..... a large amount of carbon dioxide into the atmosphere. A. decreases B. reduces C. relaxes D. releases

Correct Answer: D) Releases.

2. Which answer best describes a consumer in an ecosystem?

Correct Answer: A) A living organism that eats other living organisms.

3. Fire would most affect the

Correct Answer: B) Atmosphere.

4. Our house keeps us safe

Correct Answer: A) True.

5. Potential result of high UV radiation at Earth's surface

Correct Answer: A) DNA damage.

6. The only energy transfer that works in outer space

Correct Answer: C) Radiation.

7. The sinking of regions of the ground with little or no horizontal movement

Correct Answer: D) Subsidence.

8. How does the lithosphere interact with the other layers of the Earth?

Correct Answer: C) Plate tectonics and movement of lithospheric plates.

9. Which of the following cutting techniques eliminates less valuable trees by harvesting or thinning trees of poor quality?

Correct Answer: B) Improvement cutting.

10. Top-level predators often eat indirectly absorb toxins as a result of

Correct Answer: A) Bioaccumulation.

11. Trees that do not lose their leaves every year.

Correct Answer: D) Evergreen Trees.

12. What are the greatest problems facing plants, animals, and people?

Correct Answer: D) All of the above.

13. This air pollutant is a colorless, odorless gas emitted from combustion processes, specifically, the incomplete combustion of fuel.

Correct Answer: A) Carbon monoxide.

14. If everybody on our planet consumed at U.S. rates, we would need ..... planet(s).

Correct Answer: B) 3-5.

15. An underground layer of rock or soil that has connected pores, or holes, that water can pass through.

Correct Answer: A) Aquifer.

16. What gas do fossil fuels react with when burned for energy?

Correct Answer: A) Oxygen.

17. In the United States, the strength of environmental policy is constant from state to state

Correct Answer: B) False.

18. Phosphorus is important in living cells to make

Correct Answer: C) DNA and RNA.

19. On which layer can we find the tectonic plates?

Correct Answer: A) Lithosphere.

20. Repeated measurements of a quantity can reduce the effects of

Correct Answer: C) Random errors.