U5L2 Green Rev/GMO/Agriculture Review Lesson

Multiple Choice

What are the negative impacts of increased mechanization in agriculture?

• Increased soil erosion

• Higher crop yields

• Reduced greenhouse gas emissions

• Lower reliance on fossil fuels

Multiple Select

What are the disadvantages genetically modified crops?

• Increased profitability

• Decreased genetic diversity

• Faster growth

• Larger fruit size

Multiple Choice

What is true about the conditions of a body of water undergoing eutrophication?

• high nutrients; low algae; low oxygen

• high nutrients; high algae, low oxygen

• low nutrients; high algae; high oxygen

• low nutrients; low algae; low oxygen

Multiple Select

What are the disadvantages of irrigation as described in the image? (multiple answers)

• It can increase crop yield

• It can deplete groundwater sources

• It can cause soil salinization

• It can improve soil fertility

Multiple Choice

What are the potential negative effects of using synthetic pesticides as mentioned in the image?

• Increased crop yield

• Harm to non-target species

• Higher profits

• Reduced pest populations

Open Ended

Describe one environmental advantage and one environmental disadvantage of using GM crops.

Multiple Choice

What are the advantages of moncropping?

• Highly efficient for harvest

• Decreases biodiversity

• Increases soil erosion

• Decreases habitat diversity

Multiple Select

What are the disadvantages of tilling in agriculture? (multiple answers).

• Increases soil erosion

• Loosens soil for roots

• Loss of organic matter

• Reduces nutrient loss

Multiple Select

What are the environmental impacts of slash and burn agriculture? (multiple answers)

• Deforestation

• Increased biodiversity

• Higher CO2 emissions

• Improved air quality

Multiple Choice

During eutrophication, fertilizer run off from farms goes into lakes and ponds promoting large blooms of algae. When this occurs, it prevents what abiotic factor from reaching the bottom of lakes and ponds?

• Water

• pH

• Sunlight

• Temperature

Open Ended

Explain one disadvantage of using inorganic, commercial fertilizers.

Multiple Choice

We should use _______ irrigation method in places that have a shortage of water.(Which one is most efficient?)

• Sprinkler

• Furrow

• Drip

Multiple Choice

What is the main problem caused by waterlogging in soil?

• Stunted growth of crops

• Increased oxygen levels

• Enhanced soil aeration

• Improved drainage

Multiple Select

What are two major ways that water is used for agriculture? SELECT 2

• for cleaning laundry

• for irrigating crops

• drinking water for livestock

• for generating power

Multiple Choice

Saltwater intrusion can occur in aquifers near coastlines, when fresh groundwater in the aquifer is displaced by salt water. Coastline aquifers become more vulnerable to saltwater intrusion when freshwater recharge rates are low or withdrawal rates are high. An aquifer in which of the following areas would be most affected by saltwater intrusion?

• a small coastal town experiencing a rainy summer

• a coastal agricultural area using periodic irrigation

• a large inland region of growing cities and farms

• a growing coastal city undergoing a drought

Open Ended

Describe how soil salinization occurs and identify one disadvantage of the solution you propose.

Multiple Choice

What is one major limitation of pesticides?

• They make crops inedible.

• They can cause pest to become resistant.

• They cause crops to need more irrigation.

• They make crops cheaper.

Multiple Choice

Biotech foods look and taste the same as traditional foods and crops. The only difference is that biotech food has

• fewer calories.
• the addition of specific minerals.
• genes with traits that improve something about the plant.
• a better chance of surviving a frost during the growing season.

Open Ended

Describe One economic advantage and One economic disadvantage of using GM crops.