Alternative, sustainable agricultural practices include:
a. focusing on only a few crop varieties.
b. using fertilizers generously.
c. increased marketing of meat from livestock.
d. subsidizing large-scale farms with industry customers.
e. alternating crop species.
Q. 2Farmers who are using genetic engineering to grow pesticide-resistant crops are:
a. contributing to soil depletion.
b. wasting irrigation water from run-off.
c. reducing the use of petroleum and energy.
d. increasing the nutrient content of foods.
e. decreasing the nutrient content of foods.
Q. 3A farmer is growing wheat on rolling hills that have a variety of soil conditions and moisture. He is using computerized equipment to adjust irrigation and fertilizer application to each specific area. This is an example of:
a. high-input practice.
b. precision agriculture.
c. agribusiness.
d. integrated pest management.
e. aquaculture.
Q. 4As agriculture throughout the world improves and standardizes species of plants it is helping to:
a. destroy the diversity of plant species.
b. increase production in all parts of the world.
c. preserve wild species more tolerant to climate changes.
d. decrease soil erosion.
e. reduce the need for genetically modified foods.
Q. 5In the United States, how much cropland is used to produce feed for livestock?
a. less than what is used to produce grain for people
b. more than what is used to produce grain for people
c. more than the size of the whole continent of Africa
d. less than what is needed to feed all the people of Europe
e. more than the surface area of all the oceans combined
Q. 6Long-term effects of irrigation include:
a. development of chemical-resistant pests.
b. raising of the water table.
c. more rapid plant growth.
d. increased saltiness of the soil.
e. richer and damper soil.
Q. 7A young child's family flees their village when it is attacked by local warlords and has little access to food for a month. The child's low weight and wasted appearance indicate:
a. chronic malnutrition.
b. severe acute malnutrition.
c. growth stunting.
d. edema.
e. vitamin B12 deficiency.
Q. 8A local orchard is selling their apples by offering pick your own days for customers to come pick the apples they want. What environmental impact could this possibly have?
a. improving the economy by not hiring workers
b. preserving the land
c. reducing greenhouse gas production by requiring less transportation
d. reducing irrigation
e. getting people excited about preventing deforestation