Ecology And Environment Quiz 20 (20 MCQs)

Quiz Instructions

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1. What is a habitat?

Correct Answer: A) The physical location where animals live.

2. Which statement best explains the purpose of the microorganisms in this aquarium?

Correct Answer: D) Microorganisms recycle nutrients that support the ecosystem.

3. A third-level consumer has to be which type?

Correct Answer: A) Carnivore.

4. Which scenario describes a population?

Correct Answer: B) All of the German cockroaches living in a house.

5. The difference between an ecosystem and a community is that a(an)

Correct Answer: C) Ecosystem includes both living and nonliving parts of the environment.

6. Much of today's environmental problems began in which period(s) of human history?

Correct Answer: C) Industrial revolution.

7. A group of individuals of the same species living in their environment is known as a:

Correct Answer: B) Population.

8. Very common and can be found in many places, including soil and animal bodies

Correct Answer: C) Bacteria.

9. Species diversity eventually increases in

Correct Answer: C) Both types of succession.

10. MEASURING BOD IS PRIMARILY USED FOR ESTIMATING

Correct Answer: C) QUANTITY OF ORGANIC MATTER IN SEWAGE WASTE.

11. An example of a typical pioneer species, that is one that appears in the earliest stages of ecological succession, is-

Correct Answer: C) Weeds.

12. What is another name for producer?

Correct Answer: C) Autotroph.

13. Succession that occurs in an area with NO SOIL

Correct Answer: B) Primary succession.

14. Where would you expect to find most of the seaweed and algae found in an ocean biome?

Correct Answer: B) Close to shore and near the ocean surface.

15. All the individuals of one species living in the same area

Correct Answer: B) Population.

16. Producers

Correct Answer: B) Synthesize their own food.

17. Factors that can limit or decrease the size of a population.

Correct Answer: B) Limiting Factors.

18. Non-living factor that affects an ecosystem

Correct Answer: B) Abiotic factor.

19. Process by which animals convert sugars into energy and Carbon Dioxide.

Correct Answer: B) Respiration.

20. A system of food chains that shows the transfer of energy is termed

Correct Answer: A) Food web.