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40 questions
What is the number one cause of soil degradation?
deforestation
farming
overgrazing
industrial
What type of erosion is this an example of?
Sheet erosion
Rill erosion
Splash erosion
Gully erosion
What type of erosion is this an example of?
Sheet erosion
Rill erosion
Splash erosion
Gully erosion
What type of erosion is this an example of?
Sheet erosion
Rill erosion
Splash erosion
Gully erosion
A severe desert wind storm occurred in Saudi Arabia. The soil ended up in Iran. This is an example of which type of which type of wind erosion?
Rill
Gully
Saltation
Suspension
Dirt lightly blows against the ground during a wind storm in Arizona. This is an example of which type of wind erosion?
Saltation
Rill
Suspension
Gully
What are land slides an example of?
Surface creep
Desertification
Salinization
Terrace
Farming in Africa has caused semi-arid conditions near the Sahara. What is this an example of?
Deforestation
Desertification
Salinization
Terrace
Which of the following is NOT a cause of desertification?
Climate change
Soil compaction
Deforestation
Flooding
Which of the following contributes to desertification?
Mining
Recycling
Fracking
Terracing
Farms in Australia are experiencing salt buildup from over irrigation. What is this an example of?
Saltation
Desertification
Salinization
Agroforestry
Which of the following is NOT a soil conservation technique?
Terracing
Shelterbelts
Fracking
Agroforestry
Which type of agricultural ecosystem uses high energy input?
Industrialized
Polyculture
Traditional
Universal
Which type of agricultural ecosystem uses low energy input?
Polyculture
Universal
Industrial
Traditional
A farmers plants acorn squash, banana squash, butternut squash, and carnival squash in his farming lot. What type of agriculture is this an example of?
Intercropping
Agroforestry
Polyculture
Polyvarietal cultivation
A farmer grows strawberries, green beans, and onions on his lot. This is an example of what type of agriculture?
Intercropping
Agroforestry
Industrial
Polyvarietal cultivation
Shrubs are grown around a farmers crop lot. What type of agriculture is this an example of?
Polyvarietal cultivation
Intercropping
Polyculture
Agroforestry
What type of farming is this an example of?
Contour Farming
Terracing
Strip Cropping
Cover Cropping
What type of farming is this an example of?
Contour Farming
Terracing
Strip Cropping
Cover Cropping
What type of farming is this an example of?
Contour Farming
Terracing
Strip Cropping
Cover Cropping
What type of farming is this an example of?
Contour Farming
Terracing
Strip Cropping
Cover Cropping
Which of the following is an advantage of intensive agriculture?
Maximum land from maximum land use
Yields increase more rapidly than alternatives
Mechanization increases labor costs
Per capita production decreases
What is a disadvantage of intensive agriculture?
Increase in yields may be sustainable
Pest and disease spread slowly
Pesticides and fertilizers are energy expensive
Heavy machinery is cheap to purchase, operate, and maintain
What type of irrigation is this an example of?
Surface irrigation
Drip irrigation
Sprinkler irrigation
Fracking irrigation
What type of irrigation is this an example of?
Surface irrigation
Drip irrigation
Sprinkler irrigation
Fracking irrigation
What type of irrigation is this an example of?
Surface irrigation
Drip irrigation
Sprinkler irrigation
Fracking irrigation
A farmers lot is highly saturated in water. The underground water table has increased causing rot from lack of oxygen from the roots. What is this an example of?
Waterlogging
Soil salinization
Strip Cropping
Terracing
What does organic mean?
Anything natural
Anything that contains water
Anything synthetic
Anything made of carbon
Which of the following is an organic fertilizer?
rock minerals
water
manure
synthetic
Which of the following is a inorganic fertilizer?
manure
synthetic
decay matter
defecation
CHOOSE 2 ANSWERS: Which of the 2 choices are are limiting factors for plant growth?
phosphorous
magnesium
oxygen
nitrogen
calcium
True of False: Since 1978, one of the reasons for the decline in the amount of irrigated land per person is due to salt build-up.
True
False
True or False: Artificial selection develops improved strains at an exponential pace compared to genetic engineering.
True
False
True or False: Artificial selection has been used for centuries to develop genetically improved varieties of crops.
True
False
True or False: Genetic engineering can be used to develop pest and disease resistant crop strains.
True
False
True or False: In the U.S., 97% of the food plant varieties available in the 1940s still exist.
True
False
Which of the following is an example of tillage?
Using aluminum to intensify light on crops
Pumping groundwater to irrigate crops
Putting trees around lot to prevent erosion
Loosen up the topsoil with machinery
True or False: An environmental advantage of GMOs is that it promotes low tillage and higher yields.
True
False
True or False: An economic advantage of GMOs is that it has higher yields per acre with higher fertilizer, pesticide, & herbicide use.
True
False
True or False: An advantage for GMOs is that it has greater genetic variability.
True
False
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