Environmental Chapter 15 Test

1.

1 point

Most of the living organisms in fertile soil are found in

the subsoil

the surface litter and topsoil

the bedrock

the leaching zone

2.

1 point

Erosion is a danger whenever the soil is

covered by forest

covered with grass

bare and exposed to wind and rain

plowed along the contour of the land

3.

1 point

causes resistance to pesticides

overuse of land

integrated pest managment

no till farming

high pesticide use

4.

1 point

results in depleted fish populations

overuse of land

malnutrition

integrated pest management

overharvesting

5.

1 point

Livestock in developing countries provide

manure

eggs and meat

leather and wool

all of the above

6.

1 point

All of the following describe typical types of malnutrition except

low calorie cosumption

insufficient variety of foods

amino acid deficiency

diet of mostly vegetable and grains

7.

1 point

Livestock is domesticated animals raised to be sold for profit.

True

False

8.

1 point

accumulation of salts in soil

malnutrition

salinization

integrated pest management

overharvesting

9.

1 point

Earth's available arable land is being reduced by

soil erosion

desertification

fast-growing human populations

all of the above

10.

1 point

The green revolution depended on

organic fertilizers

high yielding grain varieties

clearing forest for crop land

new biodegradable pesticides

11.

1 point

Biological pest control aims to do all the following except

maintain tolerable pest levels

leave non-pest species unharmed

reduce all insects to low levels

boost plants natural defenses

12.

1 point

desirable traits transferred

genetic engineering

overharvesting

green revolution

integrated pest management

13.

1 point

Almost ________________ of the seafood consumed in the word is produced through aquaculture.

1/4 or 25%

3/4 or 75%

2/4 or 50%

1/3 or 33%

14.

1 point

almost entirely a result of poverty

malnutrition

high pesticide use

green revolution

overuse of land

15.

1 point

used to transfer desirable traits

overharvesting

overuse of land

green revolution

genetic engineering

16.

1 point

All of these contribute to famine except

drought

unequal distribution of food

green revolution

crop failure

17.

1 point

Cud chewing ruminants have 1 stomach.

True

False

18.

1 point

A given plot of land can produce more food when use to grow plans than when used to raise animals because

plants food provides more nutrients per gram as compared to animal

All of the above

1/10 of plant's mass can be used as food

10 calories from plant converts to 1 cal animal protein

19.

1 point

the goal is to minimize economic damage from pest

accumulation of salts

integrated pest management

fertile soil

high pesticide use

20.

1 point

soil that can support the growth of healthy plants

genetic engineering

fertile soil

overuse of land

overharvesting

21.

1 point

characterized by new crop varieties, increased yields

no till farming

overuse of land

green revolution

accumulation of salts

22.

1 point

Plowing with machines, irrigating with drip systems, and ___________ are all modern agricultural methods.

tilling with horses

using manure

applying chemical fertilizers

irrigating with ditches

23.

1 point

Partly decomposed inorganic material is called compost.

True

False

24.

1 point

crop is harvested without turning over the soil

integrated pest managment

high pesticide use

no till farming

overuse of land

25.

1 point

The development of pesticide resistance is an example of

pest control

persistence

evolution

malnutrition