Quiz 1

1.

1 point

Biological controls of agriculture pests employ all of the following except:

pest predators and parasites

pest neurological toxins

pest reproduction disruptors

pest diseases

b and c

2.

1 point

Agricultural top soil is both created naturally and lost through soil erosion. Currently agricultural top soil is:

approximately constant over time

is increasing where modern soil conservation practices are employed

being eroded faster than it can regenerate

is almost gone from vast areas because of climate-caused droughts and wind

c and d

3.

1 point

The key to development of civilization was?

industrial revolution

fossil fuel use

language

agriculture

a and b

4.

1 point

Which of the following is not a environmental impact from agriculture?

soil erosion

loss of wildlife habitat

loss of water quality

introduction of eutrophication and biocide contaminants

obesity epidemic in developed countries

5.

1 point

From a given area, why is it possible to feed more vegetarians than omnivors?

Vegetarians eat less and work harder.

Vegetarians are naturally passive and don't need as many calories

Omnivores are more aggressive (war-like) and less willing to share/co-exist

Trophic level conversions are only 10% efficient

Vegetarians have fewer diseases and live longer

6.

1 point

What is the name of Holocene climate change event that contributed to the development of agriculture?

Anthropogenic global warming (AGW)

Beringia Land Bridge (BLB)

Younger-Dryas Event (YDE)

Inter-tropical Convergence Shift (ICS)

Gulf-Stream Initiation

7.

1 point

The grasshopper effect is essentially

a process of biomagnification

a process of bioaccumulation

global distillation

a term for environmental impacts from pesticides

both a and b

8.

1 point

Intensive agriculture on Prince Edward Island has left large biocide residues even in offshore sediments

True

False

9.

1 point

DDT is a carcinogenic, mutagenic and teratogenic hazard to humans

True

False

10.

1 point

About what percent of Canadian farms practice crop rotation as a soil conservation practice?

7

23

35

43

56

11.

1 point

Which of the following is not a negative environmental effect from agriculture?

Natural selection has become cultural selection

Accelerated climate warming

Auxiliary energy flows and redirection of natural energy flows

Alteration of succession patterns and processes

Alteration of hydrological cycle cycles and soil erosion

12.

1 point

The agricultural revolution (sometimes called the green revolution) was due to:

increased productivity caused by hybridization and selective breeding of crops

increased productivity form genetic engineering

increased productivity from fossil fuel driven farm equipment

increased productivity form application of chemical fertilizers

all of the above

13.

1 point

Good farming practices include all of the following except:

organic fertilizers and summer fallow practices

avoidance of genetically modified crop varieties

cultivate along the contour line/minimum tillage

wind breaks (hedge rows)

crop rotations to improve soil fertility

14.

1 point

What human development led to the dichotomous view that man and nature were separate, and the distinction between aboriginal people and non-aboriginal people people?

mathematics

philosophy

medicine

agriculture

ideology

15.

1 point

Continuous monocrop cultivation is better than traditional agriculture because

better resistance to pests (less need for biocides)

reduced requirement for fertilizers

reduced farm equipment costs

less wind and water erosion

none of the above

16.

1 point

About ___ million acres of agricultural land are lost each year to soil erosion, saltation, and loss of irrigation water (aquifers and surface waters)

1.5

5.0

7.5

12.5

17.5

17.

1 point

IPM (Integrated Pest Management includes all of the following except:

Crop rotation, multiple crops

Planting time changes to protect during most vulnerable crop stages

More effective use of field sanitation (e.g., plowing under grasshopper nests) and strategic application of irrigation water and fertilizers

Use of trap crops to lure pests away from the main field

all of the above

18.

1 point

The difference between organic produce and crops and non-organic produce and crops is:

organic foods are carbon-based while not organic foods are silicon based

organic foods are richer in vitamins and minerals

organic foods are less expensive

orgainc foods are not produced with fossil-fuel powered equipment

none of the above

19.

1 point

Africa has been unable to produce sufficient food for its people since about?

1970

1980

1990

2000

Africa has been food deficient since roman times

20.

1 point

Burrowing Owls have become a pest species in many agricultural areas because their population have become over-abundant due to increased prey (passerine) densities due to agricultural enrichment and opening up the forest canopy. Identify the best answer

true

false

true, but control measures have been identified that limit local increases to acceptable levels.

21.

1 point

Which of the following is not a common source of biofuels?

corn/maze

sugarcan

tar sands

cellulose and lignocelluloses

22.

1 point

About how many people die each year in Africa from malaria

100,000

200,000

500,000

1,000,000

2,000,000

23.

1 point

The bioaccumulation and Biomagnification both cause an increase in body contaminant load with age

True

False

24.

1 point

The human activity that has had the greatest impact on the environment is/was?

warfare

domestication of animals

forest-use practices

water use practices

agriculture

25.

1 point

The long-term solution to future of food shortages is:

Eat less

You and your pets eat lower on the food chain

Waste less food

Grow your own food and practice/support organic agriculture

None of the above will prevent periodic shortages if population continues to increase