True/False
Indicate whether the
statement is true or false.
|
|
|
1.
|
Chemical pesticides influence
the appearance of food items.
|
Multiple Choice
Identify the choice that
best completes the statement or answers the question.
|
|
|
2.
|
What is the no-till crop
production?
a. | Preparing a good seedbed for
crops | b. | Plowing ground but not disking | c. | disking ground prior to
planting | d. | the planting of seeds in the previous year’s crop
residue |
|
|
|
3.
|
What is one way reforestation
impacts the environment?
a. | Increases the rate of soil
erosion | c. | Increases the rate
of wind erosion | b. | Provides wildlife habitats | d. | Decreases the property value of
land |
|
|
|
4.
|
What is an effective way of
controlling air pollution caused by vehicles?
a. | Electrostatic
precipitator | c. | Catalytic
converter | b. | Bag house filter | d. | Wet scrubber |
|
|
|
5.
|
What type of water prevents
soap from getting sudsy and leaves deposits on pots and pans?
a. | Groundwater | b. | Surface water | c. | Soft water | d. | Hard water |
|
|
|
6.
|
The major factor contributing
to human population growth is:
a. | Transportation
| c. | Growth rate
| b. | Education | d. | Availability of health car
facilities |
|
|
|
7.
|
Which pollutant reduces the
growth rate of plants?
a. | Ozone | c. | Sulfur dioxide | b. | Carbon monoxide | d. | Nitrogen dioxide |
|
|
|
8.
|
What is normally the most
expensive part of controlling air pollution?
a. | Planning
studies | b. | Operating and maintaining equipment | c. | Disposal of pollutants | d. | Purchasing and installing air pollution control
equipment |
|
|
|
9.
|
Where is the majority of the
earth’s water?
a. | Water vapor in the
atmosphere | c. | Precipitating at
this moment | b. | In plants and animals | d. | In the oceans and polar ice caps |
|
|
|
10.
|
Certain chemical substances are
used and reused as they cycle between living and nonliving organisms in the environment. The three
most important of these cycles are
a. | Water, carbon, and
nitrogen | c. | Magnesium, iron
and zinc | b. | Treflan, roundup and Sencor | d. | Hydrogen, oxygen and helium |
|
|
|
11.
|
The fact that some energy is
lost in the form of heat at each step in the food chain means that there must be
a. | More producers than
consumers | c. | More decomposers
than producers | b. | More consumers than producers | d. | More producers than decomposers |
|
|
|
12.
|
Consumers.......
a. | manufacture their own food by
participating in food chains and webs | b. | cannot make their own food | c. | are the beginning of any food
chain | d. | outnumber the producers in the
world |
|
|
|
13.
|
Depth of surface soil is
important for which of the following reasons?
a. | Shallow surface soils can not hold
structures | b. | Water can not drain through deep surface
soils | c. | Root development of most crops occurs in the upper 12 inches of
soil | d. | Depth of surface soil is NOT
important |
|
|
|
14.
|
Photosynthesis is a process by
which...
a. | consumers make their own
food | b. | plants use sunlight to break down food | c. | plants transform the sun’s energy into usable energy
(food) | d. | one plant community is replaced by another over
time |
|
|
|
15.
|
Which has the least tendency to
form clods, the least moisture holding capacity, and the least fertility?
a. | crumb | b. | loam | c. | sand | d. | silt |
|
|
|
16.
|
Soil structure can be all of
the following kinds except...
a. | crumb | b. | grainy | c. | platy | d. | prismatic |
|
|
|
17.
|
We can determine soil texture
by...
a. | using the “Ribbon Test”
and by using a graduated cylinder | b. | kicking the soil and watching how it lands | c. | weighing the soil sample
| d. | looking at the
color |
|
|
|
18.
|
The best type of soil for
agricultural purposes is...
a. | clay mixed with
gravel | b. | loam soil with a fair amount of organic
matter | c. | pure clay soil with a small amount of organic
matter | d. | sand soil with very little organic
matter |
|
|
|
19.
|
Soil erosion is...
a. | the movement of plants and trees
under the influence of water, wind, ice and gravity | b. | the movement of water particles under the influence of
water, wind, ice, or gravity | c. | the movement of soil particles under the influence of water, wind, ice, or
gravity | d. | when people disturb the
environment |
|
|
|
20.
|
Salinization, alkalization, and
water logging usually occur from...
a. | cultivation of poor
soils | c. | improper utilization of sewage
sludge | b. | low-input cultivation of crops | d. | improper irrigation practices |
|
|
|
21.
|
Which of the following is the
best description of Class I land?
a. | Moderately good land that can be
cultivated and farmed regularly, but has some important limitations | b. | Land that may be in frequent
floodplain | c. | Very productive land that can be cultivated with minimal erosion control
measures | d. | Land that may be severely steep, greater 30% slope, with severely eroded
gullies |
|
|
|
22.
|
Which of the following is true
about wind erosion?
a. | wind erosion erodes more soil than
water erosion in all areas of the United States | b. | winds are able to move large quantities of the soil from
one place to another | c. | if wind erosion occurs in a certain area there is nothing a land owner can do
about it | d. | only very strong winds can erode
soil |
|
|
|
23.
|
Which of the following is a
benefit from crop rotation?
a. | each row acts like a small dam to
stop runoff from moving straight downhill | b. | run off is conducted across the slope to some protected
areas | c. | soil tilth is better maintained | d. | the muddy water is held long enough for the sediment to
settle out in the form of mud |
|
|
|
24.
|
Which of the following erosion
control measures is more adapted to the farm than in non-farm situation?
a. | concrete
waterways | c. | sediment
basins | b. | concrete diversion ditches or berms | d. | strip cropping |
|
|
|
25.
|
In natural environments,
organic waste materials...
a. | are not
present | c. | pollute
streams | b. | cause toxic fumes | d. | slowly decompose |
|
|
|
26.
|
Land reclamation basically
means...
a. | To declare the land
unusable | c. | To put the land
back into use | b. | To commence strip mining | d. | To stake a claim on the land |
|
|
|
27.
|
A material is not considered
waste until...
a. | It is declared
toxic | c. | It is
incinerated | b. | It is recycled | d. | It is discarded |
|
|
|
28.
|
The strategies known as the
“Three R’s,” include...
a. | Redirect, recycle, and/or
renew | c. | Reduce, redirect and/or
renew | b. | Reduce, renew, and/or recycle | d. | Reduce, reuse, and/or recycle |
|
|
|
29.
|
Leachate
is...
a. | A parasite that preys on other
animals | b. | Another term for a total solid waste | c. | Contaminated liquid created by decomposing
solid | d. | Human bodily waste that has been
treated |
|
|
|
30.
|
Dried manure can be used
for...
a. | Feed
additives | c. | Making storage
basins | b. | Gravel road beds | d. | Run off diversion and control |
|
|
|
31.
|
Odor from manure is made worse
by...
a. | Aerobic
conditions | c. | Anaerobic
conditions | b. | Aerating lagoons | d. | Good planning |
|
|
|
32.
|
Which of the following is a
change in land-use patterns of a community that occurs as the population increases?
a. | A community uses more water per
day | c. | Fewer classrooms are built
| b. | Fewer streets are
built | d. | Less land is
required |
|
|
|
33.
|
Which of the following chemical
elements is not needed to form an organic chemical?
a. | Chlorine | b. | Hydrogen | c. | Oxygen | d. | Carbon |
|
|
|
34.
|
Which of the following items is
not found on a chemical label?
a. | Directions | b. | Safety tests | c. | Ingredients | d. | Precautions |
|
|
|
35.
|
How are contaminant residues
generally measured in drinking water?
a. | Parts per thousand
(ppt) | c. | Parts per billion
(ppb) | b. | Parts per million (ppm) | d. | Parts per hundred (pph) |
|
|
|
36.
|
Air pollutants which adhere to
precipitation and fall to the earth is called...
a. | Leachate | b. | Acid drainage | c. | Leaching | d. | Acid rain |
|
|
|
37.
|
Which of the following is a
non-exhaustible resource?
a. | fish and wildlife
| c. | soil | b. | forest | d. | solar
energy |
|
|
|
38.
|
The primary source of food
energy in a food chain comes from...
a. | consumers | b. | decomposers | c. | producers | d. | water |
|
|
|
39.
|
A food
chain.....
a. | consists of animals feeding on each
other. | b. | consists of only producers | c. | is the sequence of organisms through which food (energy)
passes | d. | consists only of nonliving organisms by which living organisms
feed. |
|
|
|
40.
|
A food web is different from a
food chain because....
a. | animals eat plants in a food web and
they do not in a food chain. | b. | a food web is a combination of several food chains.
| c. | decomposers eat animals in a food
chain but not in a food web. | d. | a food web and a food chain are the same
thing. |
|
|
|
41.
|
Carbon is returned to the
atmosphere through...
a. | the burning of fossil
fuels | b. | carbon is completely used and never returns to the
environment | c. | respiration of producers, consumers, and decomposers.
| d. | the water
cycle |
|
|
|
42.
|
Plants that undergo the process
of nitrogen-fixing by absorbing nitrogen gas (N2) and
converting it to nitrates are called
a. | cool season grasses
| c. | nitrators | b. | legumes | d. | warm season grasses |
|
|
|
43.
|
The most important factor
determining how many and what types of organisms live in an ecosystem is the
available....
a. | energy | b. | soil | c. | temperature | d. | water |
|
|
|
44.
|
Fire is an important factor
maintaining grasslands because it...
a. | burns up all
nutrients | c. | leaves behind
litter | b. | damages roots of grass species | d. | serves to weaken competing trees |
|
|
|
45.
|
Highly degraded soil organic
matter is/are known as....
a. | humus | c. | microbial soil | b. | pedogenisis | d. | soil beginnings |
|
|
|
46.
|
Before the ingredients of soil
are broken down and form soil they are known as....
a. | felsic
mix | c. | parent
material | b. | organic mineral | d. | presoil mix |
|
|
|
47.
|
What process is occurring when
freezing and thawing of water break down rocks?
a. | construction | b. | photosynthesis | c. | regeneration | d. | weathering |
|
|
|
48.
|
What is the purpose of adding
calcium carbonate to soil?
a. | to improve the structure of the
soil | b. | to increase the pH of soil (decrease
acidity) | c. | to prevent erosion by working as an adhesive to soil
| d. | to replace nitrogen soil
|
|
|
|
49.
|
What is the primary problem of
applying sewage sludge to land?
a. | most sewage is to
acidic | b. | sewage sludge decreases organic matter in soil
| c. | some sewage sludge may contain heavy
metals | d. | sewage sludge is hard to transport because it is
heavy |
|
|
|
50.
|
Which of the following plants
does not contain a toxic chemical which is fatal to livestock?
a. | black nightshade
| b. | black cherry tree
| c. | blue grass
| d. | fescue
grass |
|