Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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A plant that dies down to
the ground at the end of each growing season but reemerges each spring from the roostock is
called a(n)... a. | rhizome | c. | biennial | b. | annual | d. | herbaceous
perennial | | | | |
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2.
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In most plants, a hormone
called auxin is produced by the terminal bud. It moves downward into the shoot and inhibits the
growth and development of lateral buds. This is called... a. | the apex auxin complex | c. | lateral dominance | b. | apical dominance | d. | terminal bud
inhibition | | | | |
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3.
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Four methods of layering are
shown in the Figure ___. Which choice correctly identifies each
method?
a. | 1
- simple layering
2 - air
layering
3 - serpentine layering
4
- trench layering | c. | 1 - simple layering
2 - leader layering
3 - serpentine layering
4 - trench layering | b. | 1 - modified layering
2 - air layering
3 - simple layering
4 - trench layering | d. | 1 - air
layering
2 - simple
layering
3 - trench
layering
4 - serpentine
layering | | | | |
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4.
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Leaf miner eggs are
laid... a. | on top of
leaves | c. | on the main
stem | b. | inside the
leaves | d. | on flower
buds | | | | |
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5.
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One irrigation setting for
the entire nursery is usually not suitable. Which of the following is NOT a reason to vary the
amount and timing of irrigation? a. | Plants differ in water needs by species | c. | In cool, humid weather, plants use more water than at other
times | b. | Different types of potting soils have varying water holding
capacities | d. | Plants of different sizes have different water
needs | | | | |
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6.
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Which choice correctly
identifies the two types of growth shown on the English ivy shown in the Figure
___?
a. | 1 - juvenile
2 - mature | c. | 1 -
mature
2 -
juvenile | b. | 1 -
succulent
2 -
callus | d. | 1 - junior
2 - juvenile | | | | |
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7.
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A major advantage of the use of slow
release fertilizer in container grown nursery stock is that it... a. | supplies nutrients over a long period of time with one
application | c. | can be applied without expensive equipment | b. | can easily be leached from the soil if too much is
applied | d. | can be injected through the irrigation
system | | | | |
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8.
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Which of the following
groups of plants would be considered to require the lowest maintenance in the
landscape? a. | pfitzer juniper, pachysandra, yucca,
bayberry | c. | shore juniper, hybrid tea rose, fescue or bermuda turf,
yucca | b. | dogwood, English ivy, hybrid tea rose, sycamore | d. | flowering crab apple, azaleas, sycamore, bayberry | | | | |
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9.
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Callus is a term usually
referring to... a. | the tissue on the collar of a
limb | c. | deformed growth on plant limbs | b. | the first tissue to develop on a cutting just before it
roots | d. | a disease of plant leaves and limbs | | | | |
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10.
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Which fuel is used in
chainsaws, string trimmers and other 2-cycle engines? a. | gasoline | c. | diesel fuel | b. | gasoline and oil mix | d. | fuel oil | | | | |
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11.
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An indication that a plant
may be nitrogen deficient is... a. | yellowing of the lower leaves | c. | the curling of new growth | b. | the purplish tint of leaves | d. | brown leaf margins | | | | |
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12.
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Which of the following is
true of the insect in the Figure ___ ?
a. | It is an aphid; aphids may reproduce sexually (winged form) or Asexual
(wingless form). | c. | It is a thrip; thrips attract
ants | b. | It is a fungus gnat; fungus gnats cause
sooty mold | d. | It is a mite; the most common kind is the red spider
mite | | | | |
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13.
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It is best to apply
lime... a. | Just before a
rain after the grass is established | c. | when tilling the seed bed before
planting | b. | during the spring after the grass had been
established | d. | through the
irrigation system to assure even coverage | | | | |
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14.
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Which of the following is
true? a. | Some plants have male and female flower parts in the same
flower | c. | Some plants have male parts in one flower and female parts in another
flower | b. | Some plants have male flowers on one plant and female flowers on another
plant | d. | all the above are true | | | | |
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15.
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The best temperature for
germination of most seeds is... a. | 50 - 55o F | c. | 65 - 75o F | b. | 60 - 65o F | d. | 75 - 85o F | | | | |
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16.
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Of the following choices,
which is generally the best soil mix formula for potted nursery crops? a. | 1 bark: 1 sand: 1 clay | c. | 2 sand: 1 silt: 1 clay | b. | 2 bark: 1 vermiculite | d. | 1 vermiculite: 1 sand: 1 perlite | | | | |
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17.
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Which choice correctly
identifies the three grass parts shown in the Figure ___?
a. | 1 - crown
2 - rhizome
3 - stolon | c. | 1 - stolon
2 - rhizome
3 -
crown | b. | 1 -
rhizome
2 -
crown
3 -
stolon | d. | 1 - stolon
2 - crown
3 - rhizome | | | | |
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18.
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Lawn sprinkler systems are
installed so that they provide even coverage. This is accomplished by... a. | spacing the heads so that each sprinkler sprays to the next
sprinkler | c. | spacing sprinklers based on needs specified in the soil
test | b. | using one size sprinkler head
throughout the landscape | d. | using one size pipe throughout the
landscape | | | | |
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19.
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Plant diseases are caused
by... a. | algae, bacteria, and viruses | c. | fungi, bacteria, and viruses | b. | fungi, bacteria, mushrooms, algae, and
viruses | d. | fungi, insects, bacteria, and viruses | | | | |
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20.
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Sheets of _______
polyethylene are often placed over container grown nursery stock during winter to
________. a. | crystal clear; maintain air
circulation | c. | white; prevent cold damage | b. | white; reduce insect pests and
diseases | d. | clear; increase the supply of carbon dioxide | | | | |
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21.
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Which of the following
landscape maintenance recommendations is correct? a. | prune trees so that lateral branches develop with wide
crotches | c. | make a final application of fertilizer for the season two weeks before
the first frost | b. | make final pruning cuts for the season two weeks before the first
frost | d. | root prune all plants in the landscape in the late
fall | | | | |
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22.
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Landscape-size shrubs in
containers are most often sold by the... a. | inch | c. | caliper | b. | gallon | d. | cubic foot | | | | |
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23.
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The Figure shows the steps
in a whip and tongue graft. What are the steps indicated in 3 and 4?
a. | 3 - wrap the graft with a rubber band or
string
4
- seal the graft with wax | c. | 3
- wrap the graft with a rubber band or string
4 - seal the graft with grafting
glue | b. | 3 - wrap the graft with wire
4 - seal the graft with grafting
glue | d. | 3 - place a grafting spring around the
graft
4
- seal the graft with wax | | | | |
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24.
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A propagator in a nursery
business is responsible for... a. | starting new plants from seeds, cuttings, grafting, or other means and planning the
propagation schedule | c. | carrying out an extensive plant
breeding, development and evaluation program and applying for plant patents | b. | increasing new accounts by spreading
propaganda | d. | making sure that the area used for pulling orders of container grown
landscape-size plants is well stocked | | | | |
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25.
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Which of the following is
NOT true about a core aerator? a. | it cuts into the turf about 1/2" deep and pulls out
thatch | c. | it is useful in an overseeding operation | b. | it helps reduce soil compaction | d. | it assists in getting organic matter and topdressings into the root
zone | | | | |
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26.
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To develop a bushy shrub in
the landscape, it is important to periodically... a. | spray the plant with growth hormone | c. | remove the terminal buds of the growing branches | b. | root prune the plant | d. | spray the plant with growth retardant | | | | |
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27.
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What operation is being
performed in the Figure __?
a. | lining-out nursery stock | c. | heeling-in bare-root trees | b. | digging bare-root trees | d. | mound layering | | | | |
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28.
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Which of the following is
NOT a true statement about pruning? a. | pruning is an invigorating process for the plant | c. | light annual pruning is better than severe pruning every two
years | b. | pruning stimulates regrowth | d. | the trend in field grown shade tree production is to prune only after digging for
resale | | | | |
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29.
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Which of the following influences the
time to prune landscape plants?
I. the
phase of the moon
II. flowering
season
III. susceptibility to
cold weather
IV. the humidity
a. | I and II only | c. | II and III only | b. | I and III only | d. | III and IV
only | | | | |
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30.
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The parasite pictured in the
Figure is a...
a. | roundworm | c. | earthworm | b. | nematode | d. | rootworm | | | | |
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31.
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Which of the following would
be most suited for a hot, dry, steep bank in the landscape? a. | junipers | c. | dogwoods | b. | English ivy | d. | fescue | | | | |
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32.
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How many 50 pound bags of
10-5-5 should be applied to a 40 X 200 foot Fescue lawn if the recommendation is to apply 3 pounds of
N per 1000 square feet?
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33.
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Which of the following will
have the LEAST effect on the health of turf if it is broadcast over the top of established grass and
is not incorporated into the soil? a. | lime | c. | 5-10-15 fertilizer, slow release
formula | b. | 5-10-15 fertilizer | d. | ammonium nitrate | | | | |
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34.
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The loss of water in the
form of vapor from the plant is referred to as... a. | transpiration | c. | oxidation | b. | respiration | d. | condensation | | | | |
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35.
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What would be the expected
result of a sudden increase in the popularity of daylilies? a. | price will increase in the shortrun; production will increase in the
longrun | c. | price will increase in the longrun; production will decrease in the
shortrun | b. | both price and production will decrease in the longrun | d. | there will be very little change in prices or production | | | | |
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36.
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In the Figure, point A
is...
a. | a low
spot | c. | well drained | b. | a high spot | d. | has a gentle slope | | | | |
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37.
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Once they are beneath the
bark surface, are difficult to
control. a. | borers | c. | aphids | b. | thrips | d. | mealybugs | | | | |
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38.
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Which of the following are
all deciduous? a. | Taxus cuspidata, Acer rubrum, Cornus
florida | c. | Ilex opaca, Acer rubrum, Taxus
cuspidata | b. | Juniperus virginiana, Pinus mugo, Cedrus
atlantica | d. | Acer rubrum, Quercus palustris, Cercis
canadensis | | | | |
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39.
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Fireblight most often
attacks plants... a. | during
winter | c. | during periods of rapid, succulent growth | b. | in recently installed landscapes | d. | in landscapes over four years old | | | | |
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40.
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When using heat to
sterilize/pasteurize soil, the soil should be heated to... a. | 100o F for 1 hour | c. | 200o F for 1 hour | b. | 280o F for 1 hour | d. | 180o F for 30 minutes | | | | |
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41.
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Which of the following is
NOT a recommended practice when using a gasoline lawn mower? a. | fill the gasoline tank before removing it from the storage building
| c. | mow only when the grass is dry | b. | mow across the slope with a push mower | d. | mow up and down the slope with a riding mower | | | | |
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42.
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Which would not be a
recommended step in planting azaleas? a. | Dig the planting hole at least one and one-half the size of the
rootball | c. | For each foot of plant height, mix one teaspoon of lime into the soil
to be used as backfill | b. | For each foot of plant height, mix one teaspoon of 8-8-8 into the soil to be used as
backfill | d. | Plant the azalea at the same height or slightly higher than it was
growing in the nursery | | | | |
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43.
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The plant form illustrated
in the Figure is called a(n)...
a. | bonsai | c. | topiary | b. | espalier | d. | ornamental. | | | | |
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44.
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A plant that is often
trained into the style shown in the above Figure is... a. | pachysandra | c. | ginkgo | b. | mugo pine | d. | juniper | | | | |
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45.
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The best time to spray
Roundup (glyophosphate) is... a. | just before a rain | c. | when weed growth is mature | b. | when the weeds are in active growth | d. | just before weed seeds germinate | | | | |
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46.
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USDA Plant Hardiness Zone
Five includes most of... a. | Maine, North Dakota, Minnesota | c. | Illinois, Indiana, Missouri | b. | California, Florida, Maine | d. | North Carolina, Florida, Louisiana | | | | |
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47.
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A plant that dies down to
the ground at the end of each growing season but reemerges each spring from the rootstock is called
a(n)... a. | herbaceous
perennial | c. | biennial | b. | annual | d. | rhizome | | | | |
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48.
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In the plant name Cornus
florida... a. | the genus is Cornus and the
species is florida | c. | the species is Cornus and the
variety is rubrum | b. | the family is Cornus and genus is rubrum | d. | the genus is florida and the species is Cornus | | | | |
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49.
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Which of the following
stands for the national association representing nurserymen?
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50.
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Plants are likely to show
the following symptoms if they lack nitrogen a. | Purple veining in the leaves | c. | New leaves dry up | b. | Tiny brown spots between the leaf veins | d. | Leaves are yellowish compared to normal leaves | | | | |
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