quiz 8 food

Question 1

Select the phrase that correctly describes the transition that occurred about 10,000 years ago from hunter-gatherer to agricultural societies.

Answer 1

The transition involved people residing in one location and cultivating plants and domesticating animals for consumption.

Question 2

Organic matter refers to

Answer 2

decaying plant and animal residues.

Question 3

Which of the following describes synthetic fertilizer?

Answer 3

an industrially produced nutrient for plant growth

Question 4

Select the example of a genetically modified organism (GMO).

Answer 4

a corn variety which produces an insecticide using a gene from a bacterium

Question 5

Select the correct description of salinization.

Answer 5

Water vapor evaporates from soil, causing mineral salts to draw upward and accumulate in the topsoil, eventually building up to amounts damaging or lethal to plants.

Question 6

Desertification refers to the

Answer 6

loss of more than 10% of land’s productivity due to factors such as drought, extreme erosion, and soil infertility.

Question 7

Conservation agriculture employs which of the following methods?

Answer 7

no till practices

Question 8

Which statement is correct regarding the production of conventional (grain-fed) meat-based foods and the production of plant-based foods?

Answer 8

Less energy is required to produce plant-based foods compared to the production of meat-based foods.

Question 9

Agricultural production has changed over the last 100 years by __________ the scale of farming and __________ diversity of food resources.

Answer 9

increasing, decreasing

Question 10

Synthetic fertilizers greatly increase crop yields. However, excessive applications of nitrogen fertilizers can cause which of these problems?

Answer 10

increased nutrient runoff leads to the eutrophication of aquatic environments

Question 11

Modern-day agriculture __________________________________________.

Answer 11

has increased our ability to obtain more food from the same area (Correct)

Question 12

Humans use more fresh water for ____________________ than for any other purpose.

Answer 12

agriculture (Correct)

Question 13

Leaching ____

Answer 13

removes water-soluble nutrients from topsoil due to crop irrigation (Correct)

Question 14

Which of the following is true? Organic farming practices ___

Answer 14

build soil microbial composition better than industrial agricultural farming (Correct)

Question 15

Which of the following best describes bycatch?

Answer 15

unintentional catch of nontarget marine life in fishing gear (Correct)