Q2: Food Resources

Which type of agriculture deals with growing crops and raising livestock to feed the family only?

• Pastoral Agriculture

• Subsistence Agriculture

• Commercial Agriculture

• Surplus Agriculture

Industrialized agriculture is often referred to as "high input" because it requires a great deal of:

• pesticides
• fertilizers
• fossil fuels
• all of these 

Which of the following describes a fundamental characteristic of the Green Revolution?

• The application of higher levels of organic fertilizers.
• The addition of calorie, fat, and fiber content to food labels.
• The development of new strains of crops with higher yields.
• Deforestation to provide crops with additional sunlight.

The use of synthetic fertilizers can increase crop yield, but also

• destroy nitrifying bacteria in the soil
• increase nutrient runoff into nearby surface waters
• slow the release of organic nutrients from compost
• increase fish populations in nearby streams

Which of the following are harmful effects of agriculture?

• Algal blooms due to fertilizer runoff
• Climate change associated with methane emissions from livestock and rice paddies
• Pesticide residue in food, water, and air
• All of the above

Which of the following best describes a genetically modified organism (GMO)?

• An organism that has been selectively bred for the best traits
• An organism that contains foreign DNA
• An organism that is produced after exposure to a mutagen.
• An organism that has been cloned

The two main agents of erosion are...

• wind and flowing water
• gravity and frost wedging
• oxygen and water
• carbon dioxiede and wind

Which of the following are environmental impacts of extensive aquaculture?

• spread of disease
• pollution
• introduced species
• all of the above

The condition of the river in the illustration is due to

• hormone runoff

• fertilizer runoff

• antibiotic runoff

• pesticide runoff

What type of farming is practiced to produce food for sale off the farm?

• Industrial

• Subsistence

• Seed

• Vegetative

• Peasant