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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Of
the soil mix formulas listed below, which is the best soil mix for potted plant
production? a. | 1 bark: 1 peat:
1 clay | c. | 1 sand: 1 silt:
1 clay | b. | 1 peat: 1 vermiculite | d. | 1 vermiculite: 1 sand: 1 perlite | | | | |
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2.
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One
reason topsoil is not used much anymore in potted plant production is that... a. | topsoil gets the
pots dirtier than other ingredients. | b. | artificial mixes are lighter in
weight. | c. | plugs do not do well in growing media containing
topsoil. | d. | topsoil has a tendency to make the growing medium hotter than
artificial mixes | | |
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3.
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Which
chemical should you recommend to a homeowner to control powdery mildew? a. | Temik | c. | Roundup | b. | Malathion | d. | Benomyl | | | | |
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4.
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Why
is the plant in the pot in Figure 1 at an angle?
a. | That's the way
you are supposed to plant potted mums; five to the pot, laying at a 45 degree
angle. | b. | This problem is caused by not using a water breaker. The
force of the water knocked the plant down. | c. | The workers need training on how to properly plant
mums. | d. | Plants often grow like this when the sunlight is brighter on
one side of the greenhouse than the other. | | |
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5.
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Which
of the following is true when a plant is planted at an angle as in Figure 1? a. | more breaks
occur | c. | the plant grows
too wide | b. | poor quality plants are the
result | d. | fewer cuttings
per pot are required | | | | |
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6.
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Which
of the following is true? a. | Some plants have male and female flower parts in the same
flower. | b. | Some plants have male flowers on one plant and female flowers
on another plant. | c. | Some plants have male parts in one flower and female parts in
another flower. | d. | all the above are true. | | |
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7.
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Compared to a growing mix, a germination mix is usually... a. | lighter in
color. | c. | finer in
texture. | b. | darker in color. | d. | coarser in texture. | | | | |
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8.
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The
numbers in a fertilizer analysis, such as 5-10-15, stand for percentages of... a. | calcium,
nitrogen and potassium. | c. | nitrogen,
phosphorus and calcium. | b. | magnesium, potassium and
phosphorus. | d. | none of the
above. | | | | |
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9.
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Which
is a signal word for pesticide labels that indicates the highest level of toxicity? a. | danger | c. | wicked | b. | warning | d. | caution | | | | |
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10.
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Which
of the following definitions is NOT true or is not completely true? a. | Air
Layering - is a method of propagation using limbs without removing them from the mother plant
until they have rooted. | b. | Grafting - is a method of joining plants in which the
scion is connected to a rootstock. | c. | Ornamental Horticulture - is the science of agriculture
which relates to the production, cultivation and use of fruits, nuts, vegetables, flowers, shrubs,
turf and trees. | d. | Photosynthesis - is the process by which green plants,
using chlorophyll and the energy of sunlight, produce carbohydrates from water and carbon dioxide,
and release oxygen | | |
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11.
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The
plant pictured in Figure 2 is a _________.
a. | chrysanthemum | c. | male
plant | b. | poinsettia | d. | both c and b are correct | | | | |
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12.
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The
red part of the plant pictured in Figure 2 is called a...
a. | bloom. | c. | bract. | b. | sepal. | d. | petal. | | | | |
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13.
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A
major purpose of mulching plants is to... a. | increase anti-aerobic activity. | c. | attract earth worms. | b. | supply
nutrients. | d. | suppress weed
growth | | | | |
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14.
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Which
of the following terms is NOT matched to the correct definition? a. | Carbon
Dioxide - a gas absorbed by green plants through the leaf stomata and used to manufacture sugars,
starches, proteins and fats. | b. | Cotyledons - the first leaves to be developed from a
seed. | c. | Perlite - expanded volcanic rock used in artificial soil
mixes. | d. | Rhizomes - elongated stems that grow along the top of
the ground and develop shoots and roots. | | |
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15.
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The
process of decomposing organic residues such as leaves and grass clippings by placing them in an
enclosure and following prescribed steps is known as... a. | complex
soiling. | c. | composting. | b. | substrating. | d. | stratification. | | | | |
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16.
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Jay
has a job with a seed company working on a combination of salary and commission. If his base
salary for 1990 was $10,000 and he made 15% on total sales of $125,000, how much was his total salary
in 1990? a. | $15,000 | c. | $33,750 | b. | $28,750 | d. | $43,150 | | | | |
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17.
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Which
of the following nutrients is most likely to cause excessive vegetative growth and reduce flowering
if too much is applied? a. | carbon | c. | phosphorus | b. | nitrogen | d. | potassium | | | | |
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18.
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Microscopic, worm-like, organisms that attack plant root systems, causing stunting
are... a. | nematodes. | c. | aphids. | b. | ascarids. | d. | mealy bugs. | | | | |
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19.
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Most
horticultural plants grow in soils ranging in pH from __________. a. | 3.0 -
5.0 | c. | 7.0 -
8.0 | b. | 5.0 -
7.0 | d. | 7.0 -
9.0 | | | | |
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20.
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The
organizations whose logos are pictured in Figure 3 are...
a. | professional
florist associations. | c. | wholesale
florists. | b. | wire service organizations. | d. | mail-order florists | | | | |
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21.
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One
of the important item(s)/services that the organizations in Figure 3 provide to retail florists
is...
a. | selection
guides. | c. | exotic
flowers. | b. | fresh flowers. | d. | silk flowers | | | | |
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22.
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The
cheapest way to ship rooted cuttings is... a. | in 2 1/4" pots. | c. | in 1 gallon pots. | b. | in 1 inch
pots. | d. | bare
root. | | | | |
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23.
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If
you order 2,000 bare root lilies at $1.25 each, receive a 10% discount and pay $25 shipping and
packaging fee, what would your total bill for the shipment be? a. | $2,500 | c. | $2,275 | b. | $2,750 | d. | $2,272.50 | | | | |
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24.
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If
two plants share a common ______, they are closely related. a. | phylum | c. | family | b. | genus | d. | order | | | | |
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25.
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The
major function of root hairs is to... a. | grow into larger roots. | b. | absorb water and
minerals from the soil. | c. | protect the root as it pushes through the
soil. | d. | anchor the plant | | |
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26.
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Which
greenhouse glazing material has the lowest heat-loss factor? a. | single-layer
polyethylene | c. | fiberglass | b. | double-layer polyethylene | d. | glass | | | | |
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27.
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Which
of the following plants has varieties that are widely grown as cut flowers, potted plants and in home
gardens? a. | begonias | c. | gladiolus | b. | geraniums | d. | chrysanthemums | | | | |
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28.
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Which
is a common color of begonias? a. | purple | c. | red | b. | blue | d. | plaid | | | | |
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29.
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Three
poinsettia growers were discussing growing temperature for poinsettias. One said he grew his at 64
degrees, another said he grew his at 65 degrees while another said she grew them at 62 degrees.
What temperature were they talking about? a. | daytime temperature | c. | daytime and nighttime temperature | b. | nighttime
temperature | d. | temperature
during propagation | | | | |
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30.
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Two
plants that are easily propagated by the method indicated in Figure 4
are...
a. | African violet
and gloxinia. | c. | geranium and
spathiphyllum. | b. | coleus and celosia. | d. | begonia and geranium. | | | | |
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31.
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Which
of the following is absent from the propagation method indicated in Figure 4 but is required for
propagation of most plants from cuttings?
a. | stem | c. | bud | b. | petiole | d. | stomata | | | | |
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32.
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A
common name for Sansevieria is... a. | umbrella tree. | c. | salvia. | b. | snake
plant. | d. | dumb
cane. | | | | |
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33.
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Which
of the following definitions is NOT complete? a. | Xylem - conducts water and dissolved minerals up from
the roots. | b. | Phloem - moves food produced in the leaves to other
parts of the plant. | c. | Plant Propagation - is the process of increasing the
number of plants by seeds or vegetative means. | d. | Floriculture - is the use of potted plants in retail florist
businesses | | |
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34.
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Which
plant is grown for its foliage and comes in a wide variety of leaf shapes? a. | pansies | c. | dusty
miller | b. | begonias | d. | chrysanthemums | | | | |
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35.
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Potted chrysanthemums are popular for... a. | Christmas. | c. | Mother's
Day. | b. | Thanksgiving. | d. | all occasions
listed | | | | |
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36.
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If a
mum variety is an 8 week variety and needs two weeks of vegetative growth before being given long
nights, when does this variety need to be planted to bloom for Valentines Day? a. | December
1 | c. | December
15 | b. | January
1 | d. | January
15 | | | | |
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37.
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A
customer has a problem with his asparagus fern. He says that his Boston ferns do just fine in
the same location under the same conditions. Which of the following is the correct response to
the customer's problem? a. | Asparagus fern is not a true fern. It is an asparagus and
needs a lot more light than Boston ferns. | b. | Asparagus ferns don't need as much light or water as Boston
ferns. | c. | Boston ferns give off ethylene gas which is toxic to asparagus
ferns. | d. | The plant probably needs repotting. Asparagus ferns are
very sensitive to being pot bound. | | |
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38.
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At
what angle of the sun will the most light enter the greenhouse? (See Figure
5.)
a. | angle A | c. | angle C | b. | angle
B | d. | it makes no
difference | | | | |
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39.
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Angle
A is the angle of the sun's rays during summer, angle B is during fall and angle C is during
winter. Which angle will cast the longest shadow from nearby trees which may interfere with the
proper amount of light entering the greenhouse?
a. | angle
A | c. | angle
C | b. | angle
B | d. | it makes no
difference | | | | |
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40.
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Wilma
Wilt has a terrible reputation for killing house plants. Nothing seems to grow for Ms.
Wilt. Which of the following plants should you recommend as the easiest house plants to grow
and as a last resort for Wilma? a. | snake plant and aglaonema | c. | geranium and orchids | b. | cyclamen and
schefflera | d. | coleus and
salvia | | | | |
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41.
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A
recent innovation in the production of bedding plants from seed is the use of _____. They are
produced by seeding the plants in individual cells of a tray. Transplanting is much easier
because the seedlings can be popped out of the cells and transplanted to cell-packs or other
containers without a major loss of roots. a. | coated seeds | c. | plugs | b. | hybrid
seeds | d. | transplanting
trays | | | | |
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42.
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When
you order Hedera helix, you are ordering... a. | begonias. | c. | poinsettias. | b. | geraniums. | d. | English ivy. | | | | |
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43.
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Which
plant below has commercially produced varieties named Supjibi, Gutbier, Eckespoint, Annette Hegg, and
V-10? a. | geraniums | c. | begonias | b. | poinsettias | d. | chrysanthemums | | | | |
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44.
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Miniature flowering plants, grown in pots as small as 1", have recently been a
hit in the potted flowering plant market. Which group of plants are most popularly grown as
miniatures? a. | hydrangea,
marigolds, impatiens | c. | strawberry,
coleus, mums | b. | dusty miller, ageratum,
snapdragon | d. | African violets,
mums, kalanchoe | | | | |
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45.
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The
greenhouse benching style as shown in Figure 6 is called...
a. | peninsular. | c. | longitudinal. | b. | T-style. | d. | cross-benching. | | | | |
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46.
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Suppose the total bench space in Figure 6 is 980 square feet and the greenhouse is 35
feet long and 35 feet wide. What is the percent of floor space utilized for
benches?
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47.
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If
Larry's fixed cost per pot is $1.25 and his variable cost is $2.25, how many pots must he sell per
year to make $30,000 profit if he sells them for $4.25 per pot? a. | 8571 | c. | 40,000 | b. | 45,000 | d. | 4,500 | | | | |
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48.
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This
pest is smaller than the others and may easily be overlooked unless a hand lens is
used. a. | spider
mites | c. | slugs | b. | aphids | d. | mealy bugs | | | | |
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49.
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Which
plant is NOT matched to its appropriate time to be planted in outdoor beds? a. | pansies -
fall | c. | dusty miller -
spring | b. | hyacinths - spring | d. | tulips - fall | | | | |
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50.
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Chris
observed a plant in his window growing toward the sunlight. He recognized this phenomenon as
______ because he had studied it in his horticulture class. a. | stimulation | c. | photosynthesis | b. | phototropism | d. | too much light | | | | |
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