Environmental Sciences Quiz 248 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What are the main factors that contribute to erosion?

Correct Answer: A) Water, wind, ice, and human activities.

2. A liquid fossil fuel formed from the remains of animals, algae, and other organisms is

Correct Answer: A) Petroleum.

3. What is the main purpose of microbes in the soil?

Correct Answer: A) To release the nutrients in rocks.

4. An organized way of studying the natural world, and the knowledge gained from such studies.

Correct Answer: D) Science.

5. Define keystone species:

Correct Answer: B) A species which has a disproportionately large effect on an ecosystem.

6. Layer of Earth between the crust and the core

Correct Answer: B) Mantle.

7. When analyzing an association between two or more events, such as tree growth and annual rainfall, you are looking for a

Correct Answer: C) Correlation.

8. What is the name of the body of water below Louisiana?

Correct Answer: D) Gulf of Mexico.

9. If plants are added to an indoor environment, the air quality will improve.

Correct Answer: D) Hypothesis.

10. The number obtained by adding the data for a characteristic & dividing this sum by the number of individuals.

Correct Answer: C) Mean.

11. Which of the following describes a population that is distributed evenly across an area?

Correct Answer: B) Uniform.

12. Does the type of shoe worn during a 30 meter dash affect the speed of the runner? The speed of the runner is the .....

Correct Answer: D) Dependent Variable.

13. Silent vally national park is located in the ..... region of Kerala.

Correct Answer: A) Palakkad region of Kerala.

14. A controlled scientific experiment:

Correct Answer: C) Is an activity designed to test the validity of a hypothesis.

15. A large area where different plants and animals live is called a ..... ?

Correct Answer: B) Biome.

16. What can you infer about the water at the surface of the ocean, compared to the water hundreds of meters below?

Correct Answer: C) Surface water tends to be warmer.

17. Project Tiger was launched in the year

Correct Answer: A) 1973.

18. In the ..... zone, life is diverse and abundant.

Correct Answer: C) Littoral.

19. ..... is floating ice which forms when either waves or wind drive together frozen seawater into a large mass.

Correct Answer: C) Pack ice.

20. Most energy in the United States comes from .....

Correct Answer: B) Nonrenewable sources.