Ecology Quiz 10 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Autoecology deals with

Correct Answer: C) Species & populations.

2. Which of the following characteristics is biodiversity is defined by?

Correct Answer: D) All of these.

3. Conservation of natural resources

Correct Answer: B) Protection of natural resources.

4. Biocenosis-

Correct Answer: C) A set of different living organisms that self-regulate in a certain territory.

5. All the living things in an environment

Correct Answer: A) Biotic factors.

6. Relationship where both species benefit

Correct Answer: A) Mutalism.

7. What is salinity?

Correct Answer: B) How much salt is dissolved in the water.

8. When A population size grows so large that it causes damage to the environment

Correct Answer: B) Overpopulation.

9. The scientific study of how organisms interact with their environment and all the other organisms that live in that environment

Correct Answer: D) Ecology.

10. Symbiotic relationship in which both organisms benefit

Correct Answer: A) Mutualism.

11. A relationship between two organisms where both organisms are helped is known as .....

Correct Answer: B) Mutualism.

12. Which of the following are fossil fuels?

Correct Answer: C) Coal, Oil, Natural Gas.

13. What happens to the energy at each trophic level in the energy pyramid?

Correct Answer: D) It decreases because only 10% energy at each level is transferred.

14. What is the symbiotic relationship called which one organism is helped and the other organism is neither harmed nor helped?

Correct Answer: C) Commensalism.

15. This biome receives less than ten inches of rainfall per year, and is very hot.

Correct Answer: B) Desert.

16. Which biome has four distinct seasons, a moderate amount of precipitation, and the trees lose their leaves during winter?

Correct Answer: C) Temperate deciduous rainforest.

17. Which of the following directly use the Sun's energy to produce their own food?

Correct Answer: D) Producers.

18. The global ecosystem that contains all life:

Correct Answer: B) Biosphere.

19. Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.

Correct Answer: C) Commensalism.

20. A relationship where one organism benefits and one organism is harmed is called ..... Dogs and fleas are an example of this.

Correct Answer: C) Parasitism.