Environmental Sciences Quiz 247 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

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

Correct Answer: D) Science.

2. Define keystone species:

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

3. Layer of Earth between the crust and the core

Correct Answer: B) Mantle.

4. 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.

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

Correct Answer: D) Gulf of Mexico.

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

Correct Answer: D) Hypothesis.

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

Correct Answer: C) Mean.

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

Correct Answer: B) Uniform.

9. 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.

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

Correct Answer: A) Palakkad region of Kerala.

11. A controlled scientific experiment:

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

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

Correct Answer: B) Biome.

13. 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.

14. Project Tiger was launched in the year

Correct Answer: A) 1973.

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

Correct Answer: C) Littoral.

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

Correct Answer: C) Pack ice.

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

Correct Answer: B) Nonrenewable sources.

18. In Horizon B, what brings subsoil to the surface?

Correct Answer: B) Earthworms.

19. The measure pf the amount of land needed by a person based on is/her lifestyle

Correct Answer: C) Ecological footprint.

20. This purified form of limestone can be used to correct the pH of acidic lakes and rivers.

Correct Answer: A) Agricultural lime.