Environmental Sciences Quiz 157 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What type of organisms eat other organisms for food in order to gain energy?

Correct Answer: C) Consumers.

2. The growing more and more of plants is .....

Correct Answer: B) Afforestation.

3. During the process of nitrogen fixation, nitrogen gas is converted to

Correct Answer: C) Ammonia.

4. The branch of philosophy that deals with whether behavior is good or bad, right or wrong, is called

Correct Answer: D) Ethics.

5. How much of healthy air is oxygen?

Correct Answer: C) 21%.

6. Which two metals are thought to be found in the core?

Correct Answer: B) Iron and nickel.

7. ..... is an easy means to communicate a message to a large number of people at the same time.

Correct Answer: B) Television.

8. Which ocean is the largest on Earth?

Correct Answer: A) Pacific.

9. Something that causes disease

Correct Answer: B) Pathogen.

10. Which of the following best defines environmental science?

Correct Answer: B) The study of interactions between humans and the environment.

11. Which gas in our atmosphere is most abundant?

Correct Answer: C) Nitrogen.

12. To help them survive in the tundra, caribou have various adaptations, such as

Correct Answer: B) Wide hooves for travel on mud and snow.

13. Amount of dissolved salts in water

Correct Answer: D) Salinity.

14. Name a producer in this food web (click image)

Correct Answer: B) Phytoplankton (green algae).

15. Study of how resources are converted into goods and services are used and distributed and used.

Correct Answer: A) Economics.

16. The reintroduction of wolves to Yellowstone National Park did not have an impact on the ecosystem

Correct Answer: B) FALSE.

17. You can find desert environments on every .....

Correct Answer: A) Continent.

18. How do non-human living things participate in the nitrogen cycle? (fill in the blank/short answer)

Correct Answer: D) All of the above.

19. ..... is the degree to which a measurement conforms to the correct value.

Correct Answer: B) Accuracy.

20. What major impact has human development had on wildlife habitats?

Correct Answer: D) The amount and quality of habitat has decreased.