Ecology Exam Practice Quiz
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Ecology is a branch of biology which is involved in the study of the relationship between various organisms and their physical surroundings. Now, let's see how much you understand this definition. This quiz has some basic ecological questions and answering all of them will decide how much you scored to be right.
- 1.
- A.
Primary
- B.
Secondary
- C.
Tertiary
- 2.In the following food chain, which organism is the secondary consumer? grass ------> rabbit -------> snake ------> hawk
- A.
Grass
- B.
Rabbit
- C.
Snake
- D.
Hawk
- 3.Which of the following cannot be recycled?
- A.
Nitrogen
- B.
Carbon
- C.
Water
- D.
Energy
- 4.
- 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
- 5.The release of water vapor from the leaves of trees is called:
- A.
Evaporation
- B.
Precipitation
- C.
Condensation
- D.
Transpiration
- 6.
- A.
Predator-prey
- B.
Mutualism
- C.
Commensalism
- D.
Parasitism
- 7.
- A.
Bird
- B.
Tree
- C.
Rock
- D.
Deer
- 8.
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- A.
Producer
- B.
Primary consumer
- C.
Secondary consumer
- D.
Tertiary consumer
- 9.
- A.
Producers
- B.
Consumers
- C.
Decomposers
- D.
Scavengers
- 10.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%
- 11.
- A.
1
- B.
2
- C.
3
- D.
4
- 12.
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- A.
Predator-prey
- B.
Mutualism
- C.
Parasitism
- D.
Competition
- 13.
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- A.
The population of fox would decrease
- B.
The population of grasshoppers would decrease
- C.
The population of hawks would increase
- D.
The population of rabbits would decrease
- 14.An animal that only eats the flesh of another animal is called a:
- A.
Producer
- B.
Herbivore
- C.
Carnivore
- D.
Omnivore
- 15.
- A.
Matter is not recycled; energy is recycled
- B.
Matter is recycled; energy is not recycled
- C.
Both matter and energy are recycled
- D.
Neither matter nor energy are recycled
- 16.The ultimate source of energy for all organisms in life is:
- A.
Water
- B.
Oxygen
- C.
Nitrogen
- D.
The sun
- 17.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
- 18.
- A.
Carbon gas released into the atmosphere from factories and cars
- B.
Carbon dioxide being released from animals during the process of cellular respiration
- C.
Carbon gas released into the soil through the process of decomposition
- D.
Carbon dioxide released into the oceans during deposition and decomposition
- 19.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
- 20.When the ground has absorbed the maximum amount of precipitation that it can hold, this occurs:
- A.
Seepage
- B.
Evaporation
- C.
Condensation
- D.
Runoff
- 21.
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- A.
Competition
- B.
Mutualism
- C.
Parasitism
- D.
Predator-prey
- 22.In which cycle would you find denitrification?
- A.
Water
- B.
Carbon
- C.
Nitrogen
- D.
Energy
- 23.Which of the following organisms is an autotroph?
- A.
Algae
- B.
A bear
- C.
A cheetah
- D.
A fish
- 24.
- A.
Animals that survive migrate to surrounding areas
- B.
Plant life that survive begin 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 population
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