Environmental Sciences Quiz 130 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Plants play a crucial role in the carbon cycle because they

Correct Answer: A) Allow carbon to enter an ecosystem through photosynthesis.

2. Where does the energy of most ecosystems come from?

Correct Answer: C) Sun.

3. The variable that the scientist manipulates

Correct Answer: A) Independent.

4. The main human activity that adds to an individual's carbon footprint.

Correct Answer: D) Usage of fossil fuels for energy.

5. As altitude or latitude increase, temperature.....

Correct Answer: C) Drops.

6. Which is NOT a step in the scientific method?

Correct Answer: B) Form a theory.

7. The interface between the land and a river or a stream is ....., also known as a buffer zone.

Correct Answer: C) Riparian Zone.

8. You should summarize your results in a few sentences?

Correct Answer: A) True.

9. Which answer best describes a producer in an ecosystem?

Correct Answer: C) A living organism that produces its own food and is food for other living organisms.

10. What are the two main parts of an ecosystem?

Correct Answer: B) Biotic & abiotic features.

11. Which is a biotic factor that affects the size of a population in the specific ecosystem?

Correct Answer: C) The number and kinds of predators in the ecosystem.

12. A way the factory could help conserve the river water as a natural resource is to .....

Correct Answer: A) Filter the water before dumping into the river.

13. Which statement describes the general movement of air masses?

Correct Answer: A) They move from areas of high pressure to areas of low pressure.

14. What is the BEST description of this picture that represents what we learned in class

Correct Answer: B) Decomposing lichen.

15. Racoons will catch and eat fish. They will also eat berries and roots. They are

Correct Answer: B) Omnivores.

16. A study of how people make decisions about resources by weighing costs and benefits

Correct Answer: B) Economics.

17. Which is the process of the ground absorbing water called?

Correct Answer: A) Infiltration.

18. What is the name for the blanket of air (mixture of gases) surrounding the Earth?

Correct Answer: B) Atmosphere.

19. Variable the scientist manipulates.

Correct Answer: B) Independent Variable.

20. A collection of ideas and beliefs that sound like science but not supported by evidence, such as astrology, is known as .....

Correct Answer: A) Pseudoscience.