Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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| 1. | Florist azaleas are: a. | Bulbs | c. | Small evergreen shrubs | b. | Annuals | d. | Herbaceous
perennials | | | | |
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| 2. | The
most important bedding plant grown in the U.S. both in numbers produced and season-long color
is: a. | Geranium | c. | Petunia | b. | Pansy | d. | Impatiens | | | | |
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| 3. | A 6/8
grade azalea plant is: a. | Six inches wide and eight inches
high | c. | Eight inches
wide and six inches high | b. | Six to eight inches across the
top | d. | One with a 6/8
inch diameter stem | | | | |
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| 4. | Phyllocladus are: a. | Jointed leaves of stemless plants | b. | Foliage plants
that are incapable of flowering | c. | A group of closely related orchids | d. | Jointed stems of
leafless plants | | |
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| 5. | The
five most popular bedding plants (transplants) are: a. | Petunias,
calendula, verbena, geraniums, ageratum | b. | Portulaca, geraniums, salvia, tomatoes,
verbena | c. | Petunia, geraniums, tomatoes, peppers,
Impatiens | d. | Portulaca, morning glory, calendula,
verbena | | |
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| 6. | Pollination occurs when: a. | A pollen grain adheres to the
stigma | c. | A sperm and egg
unite | b. | Pollen is released from the
flower | d. | A pollen grain
touches the ovary | | | | |
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| 7. | The
Alstroemeria is: a. | foliage
plant | c. | an
annual | b. | succulent plant | d. | bulbous plant | | | | |
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| 8. | Holes
chewed around the edge of a leaf indicate the presence of: a. | Slugs | c. | White
fly | b. | Spider
mites | d. | Mealy
bugs | | | | |
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| 9. | Leaching is a term that refers to: a. | Damage caused by slug | c. | The action of parasitic plants | b. | Killing slugs
and snails | d. | Washing out high
salts in the soil | | | | |
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| 10. | Wet
foliage at night: a. | Encourages
insect damage | c. | Gives darker
green leaves | b. | Helps promote photosynthesis | d. | Encourages disease | | | | |
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| 11. | A
Poinsettia crop that is four weeks late in flowering for Christmas was very likely exposed to which
of the following: a. | a gas
leak | c. | lighting at
night | b. | an herbicide | d. | too much CO2 | | | | |
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| 12. | The
following are fungus diseases of plants: a. | Thrips, mildew, creeping crud | c. | Oedema, mildew, damping off | b. | Aster yellows,
mildew, botrytis | d. | Mildew,
fusarium, damping off | | | | |
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| 13. | In
order to force properly, hydrangeas require a precooling period that is _______ weeks
long. a. | 8 to
10 | c. | 4 to
6 | b. | 6 to
8 | d. | 2 to
4 | | | | |
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| 14. | How
are greenhouse tomato flowers pollinated? a. | By use of a vibrating machine that shakes the pollen
loose | b. | By opening the vents in the greenhouse to let honey bees
in | c. | By placing a
large fan right over the crop to throw the pollen all over | d. | Tomatoes are
dioecious plants so that they pollinate themselves | | |
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| 15. | A
technique for growing greenhouse vegetable crops with the roots in a thin layer of flowing nutrient
solution between two layers of plastic film is called the: a. | flow thru
system | c. | soil free
system | b. | nutrient film system | d. | hydrochem technique | | | | |
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| 16. | Because these crops, which are highly susceptible to white fly infestations require
different control measures for this pest, they should not be grown in the same
greenhouse: a. | lettuce, tomato,
chrysanthemum | c. | spinach,
lettuce, tomato | b. | cucumber, tomato, poinsettia | d. | pepper, tomato, Easter Lily | | | | |
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| 17. | For
good germination, seeds of nearly all bedding plants require a propagation medium temperature
of: a. | 45 to
55o F | c. | 65 to
75o F | b. | 55 to 65o F | d. | 75 to 85o F | | | | |
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| 18. | A
temperature of 16o C is equal to __________ o F.
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| 19. | To
syringe a plant means to: a. | sprinkle the top lightly with water | b. | inject a
pesticide into a vascular system | c. | use a forceful stream of water to wash off
insects | d. | mist the top | | |
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| 20. | Technically, a head of lettuce is: a. | Fruit | c. | Stem end | b. | Bud | d. | Whole
plant | | | | |
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| 21. | The
most uniform response of potted chrysanthemums to B-Nine is obtained if one uses: a. | a spray 2 weeks
after potting | c. | a root dip prior
to potting | b. | a soil drench at potting | d. | a potting soil mix containing B-Nine | | | | |
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| 22. | After
transplanting, petunias should be grown at night temperature of ________ to
cause
floral initiation. a. | 52o F | c. | 42o F | b. | 62o
F | d. | 72o
F | | | | |
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| 23. | The
purpose of using aerated steam in steaming the soil is to: a. | lower the soil
pH | b. | destroy the
harmful organisms while preserving the helpful ones | c. | improve the
nutrient holding capacity of the soil | d. | improve the soil texture | | |
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| 24. | The
pH of the soil is important in greenhouse soils because it: a. | Influences the
availability of nutrients to plant roots | b. | Influences soil temperature | c. | Controls the
moisture holding capacity of the soil | d. | Influences the speed of germination of
seeds | | |
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| 25. | An
8/10 Azalea is a grade size that refers to: a. | the pot size | b. | the date on
which it was propagated | c. | the root/shoot ratio | d. | a range in
inches of diameter of the top of the plant | | |
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| 26. | A
well-grown greenhouse tomato plant should yield ___________ pounds of fruit per
plant.
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| 27. | When
increased CO2 is used to improve Chrysanthemum flower size and quality, the level should
be maintained at: a. | 2,000
ppm | c. | 500
ppm | b. | 300
ppm | d. | 1,200
ppm | | | | |
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| 28. | A
flower crop which is often propagated by seeds which are sown on sterile nutrient agar
is: a. | Gardenia | c. | Flowering
stock | b. | Orchid | d. | Anthurium | | | | |
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| 29. | The
following plant requires the most hours of long nights for a photo periodic response at
40o north latitude: a. | Chrysanthemum | c. | Poinsettia | b. | Kalanchoe | d. | Christmas
cactus | | | | |
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| 30. | Which
foliage keeps best boxed and refrigerated? a. | Baker fern | c. | String Smilax | b. | Huckleberry | d. | Asparagus
fern | | | | |
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| 31. | The
number of flowers usually used in a cymbidium orchid corsage is:
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| 32. | Which
of the following cut flowers is relatively sensitive to temperature and should be stored at a
temperature above 50o F: a. | Rose | c. | Orchid | b. | Carnation | d. | Chrysanthemum | | | | |
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| 33. | The
principle of arranging which involves the repetition of shapes, forms, and/or lines; through a
progression of small, medium, and large flowers; through a progression of color from light to dark;
or through a continuous line movement is: a. | accent | c. | harmony | b. | rhythm | d. | balance | | | | |
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| 34. | If a
hue is diluted with gray, the resulting color is called a: a. | tone | c. | tint | b. | shade | d. | value | | | | |
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| 35. | Why
is it important not to keep fruit baskets in the same cooler with fresh flowers? a. | because fruit
flies eat flower petals | b. | because ethylene gas from the fruit with cause the flowers to
age quickly | c. | because bananas and apples give off an odor that will be
transmitted to the flowers | d. | because florists shouldn't sell fruit; thats the job of the
grocery store | | |
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| 36. | The
spaghetti system is a method for: a. | mixing soil | c. | Watering potted plants | b. | producing pots
of mixed kinds of plants | d. | Producing
Italian hanging baskets | | | | |
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| 37. | A
method of applying pesticides to plants that can be effectively used in greenhouses, but not outdoors
is: a. | spraying | c. | soil
drenching | b. | fumigation | | | | |
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| 38. | The
following is an analysis for a complete fertilizer: a. | 2:1:1 | c. | 0:45:0 | b. | 5:10:5 | d. | 0:20:10 | | | | |
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| 39. | The
most commonly used heating system nationwide for commercial greenhouses is: a. | Electric heat
panels | c. | Infrared | b. | Steam or hot water piping | d. | Passive solar | | | | |
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| 40. | A
macronutrient is: a. | the same as a
trace element | b. | an element in soil that does not influence plant
growth | c. | the same as a major element | d. | a growth
hormone | | |
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| 41. | The
best growth of most kinds of potted plants is obtained when fertilizer is applied: a. | in soluble form
applied every two weeks | c. | as constant
feed | b. | as slow release
form in the soil mix | d. | as B and C
combined | | | | |
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| 42. | The
cover should be removed very carefully after a bench has been steamed, in order to
avoid: a. | Recontaminating
the soil | c. | being burned by
the steam | b. | puddling the soil | d. | all of the above | | | | |
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| 43. | A
greenhouse standby generator should be run at least once a _______ to make sure that it will perform
when needed. a. | year | c. | fortnight | b. | month | d. | week | | | | |
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| 44. | The
most frequent cause for dismissal of an employee is: a. | inability to get
along with other workers | c. | dishonesty | b. | a lack of technical skills | d. | lack of physical strength | | | | |
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| 45. | The
length of time required for forcing azaleas varies from ________ to __________ depending upon the
forcing group and the holiday. a. | 8 to 10 | c. | 2 to 5 | b. | 1 to
4 | d. | 1 to
6 | | | | |
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| 46. | If a
customer selects an item marked $8.90 which is a ASpecial@ marked 10% off, and there is a 3% sales
tax, the customer should be charged: a. | $8.12 | c. | $9.79 | b. | $8.25 | d. | $9.17 | | | | |
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| 47. | Florist Azaleas are available in the following colors: a. | only red and
white | c. | all colors
except yellow, blue, and green | b. | all colors except lavender | d. | all colors | | | | |
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| 48. | Which
producer is required to be closest to his market: a. | cut flowers | c. | foliage plants | b. | potted
plants | d. | silk
flowers | | | | |
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| 49. | Closing the sale means: a. | Answering questions and concerns of the customer so as not to
waste time | b. | Taking the money | c. | Leading the
customer to a decision | d. | Asking for delivery instructions | | |
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| 50. | In a
year-around production schedule for potted chrysanthemums, it is possible to produce _______ crops
per year using 8-week cultivars.
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