APES CHAPTER 10

What proportion of food products sold on US supermarket shelves contains some form of GM crop

70%

The majority of soil organic matter is concentrated in the:

O and A horizons

Which of the following cannot be used to describe polyculture?

The plot of land is left unmanaged for long periods of time

Our economic systems promote unsustainable forms of industrialized agriculture because

They do not include most of the harmful environmental and health costs of such food production in the market prices

Which of the following best describes how the process of irrigation can lead to salinization of soils?

Water associated with irrigation contains small amounts of dissolved salts, Evaporation leaves behind increasing concentrations of these salts.

Which of the following terms does not belong with the others? a. organic food b. sustainable agriculture c. animals raised on 100% organic feed d. natural food e. 100% organic?

b. sustainable agriculture

All of the following crops are commonly grown in plantation agriculture except

corn

Salt buildup may

eventually make the land unproductive

Which of the following associations is incorrect?

feedlots and shellfish

Since 1950 aquaculture production has

increased by over 40 times

Monoculture is a method of growing food that utilized solely in:

industrialized agriculture

Which of the following types of agriculture is most characteristic of developed countries?

industrialized agriculture

Which of the following is a micronutrient which without sufficient quantities in a diet can result in goiter?

iodine

Which of the following problems with nutrition do you think is most prevalent in the united states?

overnutrition

Because root systems at different depths in a given area of soil capture nutrients and soil efficiently we can say that?

polyculture lessens the need for fertilizer and water

Which of the following is the root cause of food insecurity?

poverty

Which of the following is a list of needed to sustain good health?

protein, carbohydrate, and fats

Which macronutrient in the human diet helps to build and repair body tissues?

proteins

Which of the following can lead to desertification?

severe and prolonged drought

The following grains are among the world's major food crops except

soybean

The term malnutrition refers to people who

suffer from lack of protein and other key nutrients

Which of the following types of agriculture is most characteristic of developing countries?

traditional agriculture

Which of the following is a likely scenario for an organic farm?

use of feed that contains no antibiotics

Most soil erosion is caused by

wind and moving water