APES ch. 10&11
It takes 900 liters of water to produce a kilogram of wheat, but it takes 100,000 liters of water to produce a kilogram of beef. The U.S. per capita beef consumption is 43 kilograms per person per year. How much water is used to produce this amount of beef?
4.3 X 106 liters
Many farmers in developing countries use sustainable agriculture to preserve soil resources. Which of these farming techniques is used in sustainable agriculture? I. Crop rotation II. Intercropping III. Agroforestry
All
What is an advantage of using genetically modified (GM) crops, compared to conventional crops?
All of these are advantages of using GM crops.
Eggs, meat and dairy products that are labeled "USDA Organic" come from "free range" animals that are allowed to roam freely outdoors.
False
Food that is labeled "USDA Organic" does not contain any synthetic additives
False
Organic farmers are not allowed to use pesticides in the production of organic food.
False
Farmers currently grow enough grain to feed 8 billion people - more than the entire world population. Why are millions of people in the world still hungry? I. Unequal food distribution due to poverty II. Refugee populations due to war or natural disaster III. Large amounts of grain are used to feed livestock rather than people
I, II and III
Integrated Pest Management (IPM) uses a variety of techniques to minimize pesticide use by farmers. Which of these is used in IPM? I. Crop rotation II. Intercropping III. Agroforestry
I, II and III
Which of these statements is included in the United States Department of Agriculture (USDA) definition of "organic produce?" I. Organic food must be produced on a farm smaller than 100 acres. II. Organic food cannot be genetically modified. III. Organic food must be produced without using farm machinery
None of these are correct
Food that is labeled "USDA Organic" cannot have been fertilized with synthetic fertilizers.
True
Organic meat, eggs and dairy products come from animals that have not been given antibiotics or growth hormones.
True
The largest use of water worldwide is for agriculture. True or false
True
Agriculture provides food for a hungry world, but it also has some negative impacts on the environment. Which of these is a negative environmental effect of agriculture on soil?
all of these are negative effects of agriculture on soil
The Green Revolution refers to the transformation of modern agriculture, from small family farms to agribusiness. Which of these agricultural practices led to the Green Revolution?
all of these contributed to the Green Revolution
The U.S. produces about 10 billion bushels of corn each year, and 80% of the corn harvest is used for animal feed. How many bushels of U.S. corn are used for animal feed?
none of these are correct