Ecology Quiz 163 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Are prokaryotes multicellular or unicellular?

Correct Answer: B) Unicellular.

2. All the non-living components of the environment are known as the

Correct Answer: B) Abiotic component.

3. What is the energy source for the water cycle?

Correct Answer: A) The sun.

4. A dead leaf is considered .....

Correct Answer: C) Biotic.

5. The particular role an organism plays in an ecosystem.

Correct Answer: C) Niche.

6. All of the biotic and abiotic factors in an area make up the .....

Correct Answer: D) Ecosystem.

7. Which of the following is not a desirable way of conservation?

Correct Answer: A) Disposal of waste at landfills.

8. Are forests where the seasons change. The leaves change color in the autumn and fall off in the winter. Summers are warm and winters are cold.

Correct Answer: B) Temperate deciduous forest.

9. A type of consumer that eats both meat and plants is called a .....

Correct Answer: C) Omnivore.

10. Which zone receives sufficient amount of lights for photosynthesis?

Correct Answer: A) Photic zone.

11. A species that is not native to an area is called:

Correct Answer: C) Invasive Species.

12. Animals compete for:

Correct Answer: C) Food, mates and territory.

13. The group of all the populations in an area.

Correct Answer: A) Community.

14. Network of all food in an ecosystem

Correct Answer: B) Food web.

15. A relationship where both organisms benefit. cow and egret.

Correct Answer: C) Mutualism.

16. Which of the following is NOT a limiting factor?

Correct Answer: D) Symbiosis.

17. A stick

Correct Answer: A) Biotic.

18. The first organism in a food chain is called the

Correct Answer: D) Producer.

19. An organism that has an unusually large effect on an ecosystem is called a(n)

Correct Answer: A) Keystone species.

20. Scientists use a model called a ..... to show the amount of energy that is available in each step of a food chain.

Correct Answer: A) Energy pyramid.