Environmental Sciences Quiz 628 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What element was the biggest problem in Lake Erie's issues? (Especially in the 1950s-1970s.)

Correct Answer: C) Phosphorus.

2. Conversion of carbohydrates into alcohols

Correct Answer: A) Fermentation.

3. What is the "spaceship earth" mentality?

Correct Answer: C) The idea that earth is a closed system with limited resources.

4. A ..... is an energy source or raw material that is used faster than it can be naturally replaced.

Correct Answer: A) Non-renewable resource.

5. Deforestation has an affect on the water cycle

Correct Answer: A) True.

6. Which type of waves are used in broadcasting?

Correct Answer: A) Radio waves.

7. What two elements make up water?

Correct Answer: C) Helium and Carbon.

8. What is the percentage of nitrogen in Earth's atmosphere?

Correct Answer: C) 78%.

9. What is the term for an organism that only eats producers (plants)?

Correct Answer: B) Herbivores.

10. It is the study of the Earth's surface, interior processes and history.

Correct Answer: D) Geology.

11. This is the extinction of a species one by one, not a sudden loss of many species

Correct Answer: A) Background extinction.

12. Which example would be found in the biosphere?

Correct Answer: C) Plants.

13. What makes an estuary wildlife unique

Correct Answer: B) They can handle different levels of salinity.

14. Bobby observed that a metal trash can was covered with rust. What type of weathering caused the rust on the trash can?

Correct Answer: C) Chemical weathering.

15. Critical ecosystems with high species diversity

Correct Answer: C) Biodiversity hotspot.

16. An observation that has a number is called a ..... observation?

Correct Answer: A) Quantitative.

17. Which of the following adds to global warming by decreasing the amount of carbon dioxideremoved from the atmosphere?

Correct Answer: A) Deforestation.

18. What term describes a group of different species that live together in a defined area?

Correct Answer: A) Community.

19. Our nation currently uses about ..... % of renewable energy sources.

Correct Answer: C) 10%, because we depend on fossil fuels for electricity, heating, and transportation needs.

20. Ground-level ozone is a .....

Correct Answer: B) Secondary pollutant.