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AP Enviro

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Unit 5

5.15 MC Answers and Review

6 min read•december 21, 2021

AP Environmental Science ♻️

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Answers and Review for Multiple Choice Practice on Land and Water Use

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Large-scale, ocean fishing practices present significant environmental issues such as international resource use regulation, pollution, and loss of species.

⛔STOP!⛔ Before you look at the answers make sure you gave this practice quiz a try so you can assess your understanding of the concepts covered in unit 1. Click here for the practice questions: AP Environmental Science Unit 5 Multiple Choice Questions.

Facts about the test: The AP Environmental Science exam has 80 multiple choice questions and you will be given 1 hour 30 minutes to complete the section. That means it should take you around 17 minutes to complete 15 questions.

*The following questions were not written by CollegeBoard and although they cover information outlined in the AP Environmental Science Course and Exam Description the formatting on the exam may be different.

1. Citizens notice that people who bring their dogs to the park often do not clean up after them however, everyone would prefer if the field was free of dog waste. What is one viable method to protect this commons?

A. Put up a fence so that dogs and people can not go in the field.

B. Issue fines to people who do not clean up after their dogs.

C. Develop the field into a parking lot.

D. Allow only some people to use the field.

Answer: Fining people is an example of developing laws to protect a commons while still allowing the people to share the space.

📄 Study AP Environmental Science, Unit 5.1: The Tragedy of the Commons

2. Which of the following is not a potential environmental hazard of clearcutting?

A. Loss of only large mature trees

B. Soil erosion

C. Loss of habitat

D. Water pollution from sedimentation

Answer: In clear cutting all trees are taken not only the large trees in an area. This might happen in selective cutting where only large trees are taken.

📄 Study AP Environmental Science, Unit 5.2: Clearcutting

3. Which of the following was not a contributing factor to the green revolution?

A. Mechanization of farm tools

B. Large scale monocrops

C. Development of GMOs

D. Small family farms

Answer: Small family farms existed predominantly before the green revolution.

📄 Study AP Environmental Science, Unit 5.3: The Green Revolution

4. Loss of biodiversity due to monocropping tends to lead to

A. organisms quickly evolve to live in a different ecosystem.

B. the extinction of specialist species in that area.

C. r-selected, invasive species establishing a population.

D. a loss of the genetic diversity of the plant that is being farmed.

Answer: Although there may be a loss of genetic diversity of the farmed plant, that might also not be true. The natural specialist species in the area will have a hard time adapting to the one new plant introduced and will most likely experience a dieback.

📄 Study AP Environmental Science, Unit 5.4: Impacts of Agricultural Practices

5. DDT was found to be linked to the declining bald eagle population for which of the following reasons?

A. Eagles in areas with DDT died from habitat destruction from DDT poisoning.

B. Eagles that consumed fish with DDT in their system died from exposure to toxins.

C. Eagles exposed to DDT had soft eggs that did not hatch.

D. Eagles that lived in areas with DDT use did not have adequate food supplies due to the crash in the food chain.

Answer: The eagles had soft eggs and would accidently smash them while trying to incubate.

📄 Study AP Environmental Science, Unit 5.6: Pest Control Methods

6. How much more land would it take to generate the same amount of calories from meat as it would from plants?

A. 5 times more land

B. 20 times more land

C. 50 times more land

D. 100 times more land

Answer: it takes 20 times the land to generate the same amount of calories from meat as it would from plants because a lot more plants must be grown to feed to the animals that will be harvested for meat.

📄 Study AP Environmental Science, Unit 5.7: Meat Production Methods

7. When land is overgrazed to the point that the majority of plants do not come back, this is known as

A. Clearcutting

B. Desertification

C. Free Range grazing

D. Concentrated Animal Feeding Operation

Answer:

📄 Study AP Environmental Science, Unit 5.4: Impacts of Agricultural Practices

8. The process by which a boat drags a net on the bottom of the ocean to catch fish is called

A. Skimming

B. Dip Net fishing

C. Longline fishing

D. Trawling

Answer: Trawling is any fishing that is pulling a net behind a boat, this can be on the bottom or in the water column. This method catches any organism that get in the way of the net.

📄 Study AP Environmental Science, Unit 5.8: Impacts of Overfishing

9. Fracking is the

A. removal of natural gasses from the Earth.

B. practice of farming mollusks in the ocean.

C. fracturing of metal ore to mine for copper.

D. process of digging into and mixing up the topsoil for the next crop to be planted.

Answer: Fracking or hydraulic fracturing is the process of removing natural gasses from the Earth.

📄 Study AP Environmental Science, Unit 5.9 Impacts of Mining

10. Large areas of impermeable surfaces in cities often result in _____ daytime temperatures.

A. fluctuating

B. constant

C. higher

D. lower

Answer: Large areas of pavement change temperature faster and with greater intensity that natural spaces due to the difference in thermal retention. Cities tend to be hotter.

📄 Study AP Environmental Science, Unit 5.10: Impacts of Urbanization

11. According to the Global Footprint Network which of the following has the LARGEST ecological footprint per person?

A. U.S.A

B. China

C. Ethiopia

D. Brazil

Answer: Each person in the US has a larger ecological footprint, meaning they use more resources on average then individuals from the other countries.

📄 Study AP Environmental Science, Unit 5.11: Ecological Footprints

12. According to the Global Footprint Network which of the following has the SMALLEST ecological footprint per person?

A. U.S.A

B. China

C. Ethiopia

D. Brazil

Answer: The ecological footprint of the average person living in Ethiopia is much smaller than the other options as they live with less resources on a daily basis.

📄 Study AP Environmental Science, Unit 5.11: Ecological Footprints

13. Sustainable agriculture uses which of the following?

A. RFT

B. DDT

C. CAFOs

D. IPM

Answer: Integrated Pest Management is the use of methods that prevent harmful chemicals from entering the environment as well as preventing the accidental loss of unintentional species like bees.

📄 Study AP Environmental Science, Unit 5.14: Integrated Pest Management

14. Farming of oysters can lead to

A. the cleaning of natural waterways.

B. increased methane production.

C. pesticide resistance in natural populations.

D. desertification due to overuse of natural algae.

Answer: Oysters filter feed and will naturally remove excess algae and debris from the water. In theory they could prevent eutrophication.

📄 Study AP Environmental Science, Unit 5.16: Aquaculture

15. A deadzone is

A. an area in water that no longer has and fish due to overfishing.

B. an area on land that no longer has any animals due to over-harvesting.

C. an area on land that has been over grazed and turned into a desert.

D. an area in water with a lack of life due to hypoxic conditions.

Answer: Dead zones are caused as a result of eutrophication, an algal bloom that eventually dies off and its decomposition removes all available oxygen from the water causing hypoxic conditions.

📄 Study AP Environmental Science, Unit 5.15: Sustainable Agriculture

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🏖Unit 5 – Land & Water Use