Ecology Test Quiz Questions And Answers

20 Questions | By Mbromell | Last updated: Mar 22, 2022 | Total Attempts: 48137

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This is a wonderful Ecology quiz. Let's see how well you understand this definition and its basics. Ecology is a branch of the biology involved in studying the relationship between various organisms and their physical surroundings. If you think you have enough knowledge about Ecology, this Ecology practice test will help you evaluate that. This quiz has some basic ecological questions and answering all of them will decide how much you scored to be right.

Questions and Answers

1.

In the following food chain, which organism is the secondary consumer? grass ------> rabbit -------> snake ------> hawk
- A.
  
  Grass
- B.
  
  Rabbit
- C.
  
  Snake
- D.
  
  Hawk
2.

Which of the following cannot be recycled?
- A.
  
  Nitrogen
- B.
  
  Carbon
- C.
  
  Water
- D.
  
  Energy
3.

The term "nitrogen fixation" refers to:
- A.
  
  The process that turns nitrates and nitrites into nitrogen.
- B.
  
  The process where bacteria turns nitrogen into a form that plants can use (ammonia).
- C.
  
  The process where nitrogen gas in the atmosphere is converted to nitrates.
- D.
  
  None of the above.
4.

The release of water vapor from the leaves of trees is called
- A.
  
  Evaporation
- B.
  
  Precipitation
- C.
  
  Condensation
- D.
  
  Transpiration
5.

Sea anemones contain a venom that is used to sting and paralyze their prey. The clownfish contains an enzyme in their scales that makes them immune to the venom. This allows them to freely live in the sea anemone without being harmed. This is an example of what type of relationship?
- A.
  
  Predator-prey
- B.
  
  Mutualism
- C.
  
  Commensalism
- D.
  
  Parasitism
6.

Which of the following is an abiotic factor in an ecosystem?
- A.
  
  Bird
- B.
  
  Tree
- C.
  
  Rock
- D.
  
  Deer
7.

In the above food chain, the snake is an example of a:
- A.
  
  Producer
- B.
  
  Primary consumer
- C.
  
  Secondary consumer
- D.
  
  Tertiary consumer
8.

Mushrooms and other fungi are responsible for breaking down dead organic matter. In the ecosystem, they are called
- A.
  
  Producers
- B.
  
  Consumers
- C.
  
  Decomposers
- D.
  
  Scavengers
9.

The amount of energy that is passed from one organism to the next in a food chain is
- A.
  
  5%
- B.
  
  10%
- C.
  
  15%
- D.
  
  20%
10.

On what trophic level would you find organisms that use the sun's energy directly to make their own food?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
11.

Lichen is a symbiotic decomposer that attaches itself to trees and slowly breaks them down. They obtain nutrients from the tree, allowing them to survive and reproduce. What type of relationship is this?
- A.
  
  Predator-prey
- B.
  
  Mutualism
- C.
  
  Parasitism
- D.
  
  Competition
12.

Which of the following statements is true about matter and energy?
- A.
  
  The matter is not recycled; energy is recycled.
- B.
  
  The matter is recycled; energy is not recycled.
- C.
  
  Both matter and energy are recycled.
- D.
  
  Neither matter nor energy are recycled.
13.

The ultimate source of energy for all organisms in life is
- A.
  
  Water
- B.
  
  Oxygen
- C.
  
  Nitrogen
- D.
  
  The sun
14.

In the nitrogen cycle, the term "denitrification" refers to
- A.
  
  The conversion of ammonia into nitrogen.
- B.
  
  The conversion of nitrogen into ammonia.
- C.
  
  The conversion of nitrates into nitrogen gas.
- D.
  
  The conversion of nitrogen gas into nitrates.
15.

All of the following are ways that we can protect the biosphere except:
- A.
  
  Recycling
- B.
  
  Protecting waterways from the dumping of illegal chemicals.
- C.
  
  Burning fossil fuels.
- D.
  
  Decreasing the process of deforestation.
16.

When the ground has absorbed the maximum amount of precipitation that it can hold, this occurs
- A.
  
  Seepage
- B.
  
  Evaporation
- C.
  
  Condensation
- D.
  
  Runoff
17.

The above image represents what type of relationship?
- A.
  
  Competition
- B.
  
  Mutualism
- C.
  
  Parasitism
- D.
  
  Predator-prey
18.

In which cycle would you find denitrification?
- A.
  
  Water
- B.
  
  Carbon
- C.
  
  Nitrogen
- D.
  
  Energy
19.

Which of the following organisms is an autotroph?
- A.
  
  Algae
- B.
  
  A bear
- C.
  
  A cheetah
- D.
  
  A fish
20.

An area was recently destroyed by a raging wildfire. Which of the following events would allow secondary succession to take place?
- A.
  
  Animals that survive migrate to surrounding areas.
- B.
  
  Plant life that survives begins to die out as a result of the lack of available nutrients.
- C.
  
  The dead bodies of animals that did not survive the fire return nutrients to the soil.
- D.
  
  Omnivores that survive create a decline of both the herbivore and carnivore populations.