Environmental Science Quiz 10 (20 MCQs)

Quiz Instructions

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1. Which of the following best describes the total fertility rate for a population?

Correct Answer: C) The number of children each woman in a population will have.

2. Which is a primary energy source used by power plants to generate electricity?

Correct Answer: A) Coal.

3. A chemical fog produced by the reaction of sunlight and air pollutants is called ..... .

Correct Answer: A) Smog.

4. In the United States, most of the fresh water we use-about 74 percent of it-comes from

Correct Answer: A) Surface water sources.

5. A feeding step within an ecosystem is also known as a.....

Correct Answer: B) Trophic level.

6. Which statement about changes in scientific thought is correct?

Correct Answer: C) Changes in scientific thought demonstrate a key strength of science: the ability to self-correct and improve.

7. Motor vehicles using gasohol or ethanol made from corn are examples of

Correct Answer: A) Biomass fuel.

8. The 1990 Oil Production Act requires that all

Correct Answer: B) Tankers in the US waterways be doubled hulled by the year 2015.

9. Two types of plankton are microscopic plants called ..... and microscopic animals called .....

Correct Answer: A) Phytoplankton; zooplankton.

10. Triveni consist of following

Correct Answer: A) Neem, Peepal, Bargad.

11. Nuclear chain reactions, such as those in nuclear power plants, are controlled by introducing a material that will absorb.....

Correct Answer: A) Neutrons.

12. When experiments are impossible or unethical predictions are tested by looking at .....

Correct Answer: A) Correlations.

13. Oil and natural gas result from

Correct Answer: B) The decay of tiny marine organisms that accumulated on the ocean floor millions of years ago.

14. Carbon-neutrality approaches refer to:

Correct Answer: A) Reducing greenhouse gas emissions from fossil fuel combustion.

15. The land area that supplies water to a river system is called a

Correct Answer: C) Watershed.

16. Ecologists tend to divide the photic zone of lakes and ponds based on distance from the

Correct Answer: B) Surface.

17. As water is heated, it changes into gaseous state known as water vapor and rises into the atmosphere

Correct Answer: A) Water Evaporation.

18. What type of accident was Chernobyl, considered to be one of the worst of its kind?

Correct Answer: A) Nuclear meltdown.

19. How does the ozone layer benefit living things on Earth?

Correct Answer: B) Protects life from the sun's ultraviolet rays.

20. Which of the following is NOT true about biostimulants?

Correct Answer: D) Biostimulants increase the need for fertilizers.