Name: 
 

Floriculture Exam State 1986 -- Georgia Agriculture Education Curriculum Office



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 

Which greenhouse covering material permits the greatest amount of sunlight to enter?
a.
Glass
c.
Clear fiberglass
b.
Polyethylene
d.
A and C
 

2. 

Suppose a greenhouse covering material has a BTU heat loss value of .56.  This is an        ?
a.
efficient material; low heat loss.
c.
efficient material; high heat loss.
b.
inefficient material; high heat loss.
d.
inefficient material; low heat loss.
 

3. 

The number of applications of growth regulator depends on the            ?
a.
cultivar vigor.
c.
temperature of the greenhouse.
b.
size of the container.
d.
all of the above.
 

4. 

John needed to add lime and change the type of fertilizer he used to reduce his soil acidity. He should have changed his fertilizer to            ?
a.
ammonium phosphate
c.
Urea
b.
calcium nitrate
d.
ammonium nitrate
 

5. 

A solenoid valve            ?
a.
is a good light source.
b.
is a common source of problems with gasoline flow in small engines.
c.
is a switch often used for controlling water flow.
d.
regulates the heating and cooling system in a greenhouse
 

6. 

Of the plants listed below all but             are considered herbaceous.
a.
camellia
c.
zinnia
b.
chrysanthemum
d.
alyssum
 

7. 

The art of dwarfing plants by growing them in shallow pots is called            ?
a.
bonsai.
c.
hydroponics
b.
stunt-culture.
d.
harri-kerri
 

8. 

Which plant(s) grow best in an acidic soil (pH 5.0-6.0)?
a.
azaleas
c.
camellias
b.
chrysanthems
d.
both a and c
 

9. 

Bulbs are dug and separated            ?
a.
after the foliage dies back.
c.
during dormancy.
b.
in the early winter.
d.
all the above
 

10. 

Cindy discovers that her bedding plant starts, like her, are leggy, pale and weak. This could be due to            ?
a.
low light in the greenhouse.
c.
excessive heat in the greenhouse.
b.
crowding of the plants.
d.
all the above
 

11. 

The response when plants bend in the direction of more intense light is termed           ?
a.
photoperiodism
c.
photo response
b.
phototropism
d.
photosynthesis
 

12. 

Hail damage is greatest on            ?
a.
sinners
c.
fiberglass greenhouses
b.
glass greenhouses
d.
poly greenhouses
 

13. 

How often a houseplant needs water depends on            ?
a.
the type of plant.
c.
how much light the plant receives.
b.
the type of soil used.
d.
all the above.
 

14. 

On which side of the greenhouse cooling pads will the air be most humid when the pad system is in operation ?
a.
outside the greenhouse
c.
the air is equally humid on both sides
b.
inside the greenhouse
d.
the answer will vary with the season
 

15. 

John is trying to compete on the local market with flower growers in South America who are selling large quantities of flowers in his area. With which of the crops below would he be most likely able to compete with the foreign competition?
a.
cut carnations
c.
cut pom pom mums
b.
cut roses
d.
potted mums
 

16. 

A common problem with azaleas is                          ?
a.
iron chlorosis
c.
lace bugs
b.
all the above
d.
none of the above
 

17. 

Suzie examined the soil mix she had just purchased. She recognized one of the three ingredients as pine bark. Assuming this was a good greenhouse growing mix, what were the other two ingredients likely to be?
a.
perlite and vermiculite
c.
perlite and sand
b.
vermiculite and sand
d.
either B or
 

18. 

Standard pots are not generally used with pot mums because of the            ?
a.
height problem with mums.
b.
high cost of standard pots.
c.
limited water holding capacity.
d.
problem of disbudding pot mums in       standard pots.
 

19. 

Which statement is true concerning wire and ribbon sizes?
a.
The larger the number the smaller the wire and narrower the ribbon.
b.
The larger the number the larger the wire and wider the ribbon.
c.
The larger the number the smaller the wire and wider the ribbon.
d.
The larger the number the larger the wire and narrower the ribbon.
 

20. 

Which of the following is considered in the trade to be a Holland flower?
a.
alstroemeria
c.
marigold
b.
chrysanthemum
d.
all the above
 

21. 

If the greenhouse fan needs servicing, you first should            ?
a.
take the fan guard off, then disconnect the hot wire from the motor.
b.
take the fan guard off, then disconnect the hot and ground wires.
c.
turn off the breaker switch at the switch panel (SEP).
d.
make sure that the thermostat controlling the fan is set at its maximum setting.
 

22. 

Cindy said she was Forcing mums. What is the likely interpretation of her comment ?
a.
She was making a strong effort to sell mums.
b.
She was pollinating them.
c.
She was making them grow and bloom in an unnatural season.
d.
She was giving them their necessary cooling period.
 

23. 

Wilber Wilt found several insects and pests in his greenhouse and asked you your thoughts on the seriousness of the problem. Mr. Wilt should be most concerned about the                        ?
a.
white flies
c.
house flies
b.
lady bugs
d.
sow bugs
 

24. 

An example of monochromatic color is            ?
a.
blue, light blue and dark blue
c.
red, yellow and green
b.
pink, dark pink and yellow
d.
red, yellow and pink
 

25. 

Plugs are the hot item in bedding plant production for the
1980's's because            ?
a.
of faster transplanting.
c.
they grow off faster.
b.
of less total labor.
d.
all the above.
 

26. 

A key disadvantage to using bedding plant plugs is that            ?
a.
much more germination space is needed.
b.
the crop takes longer to grow to marketable size.
c.
the roots are easier to damage during transplanting.
d.
all the above
 

27. 

One of the big advantages of using metal instead of wood for greenhouse structures is that 
                         ?
a.
it is cheaper.
c.
it creates less shadows.
b.
it is stronger
d.
all the above
 

28. 

A very effective insecticide but one that is highly lethal to humans is            ?
a.
temik
c.
benlate
b.
pentac
d.
captan
 

29. 

Tim and Brian were discussing a certain greenhouse plant. They were overheard to say that this plant came from Mexico and that some of the popular varieties were Heggs. What plant were they talking about?
a.
chrysanthemums
c.
carnations
b.
alstroemerias
d.
poinsettias
 

30. 

The number one selling bedding plant in the United States is                ?
a.
petunia
c.
tomato
b.
marigold
d.
impatients
 

31. 

Most of the floral designs for funerals are made with                .
a.
fresh flowers
c.
silk flowers
b.
plastic flowers
d.
Holland flowers
 

32. 

A plant that was traditionally grown from cuttings but has in recent years been propagated more and more from seeds is                .  Currently both methods of propagation of this plant are being used in the industry.
a.
petunias
b.
snake plant
c.
alstroemerias
d.
Geranium
 

33. 

During which seasons will black cloths not be needed for short day plants, assuming no interruption of the natural day length?
a.
fall and winter
c.
winter and spring
b.
spring and summer
d.
summer and fall
 

34. 

The word horticulture is a Latin word that means ...
a.
grower of crops.
c.
Lover of plants
b.
a garden cultivations
d.
Plant cultivator
 

35. 

Seeds are composed of ...
a.
seed coat, endosperm, and an embryo.
c.
an eye, starch, and seed coat.
b.
endosperm, a root, and a stem.
d.
an embryo, starch and endosperm
 

36. 

The best temperature for the germination of most seeds is                .
a.
50 to 60 degrees F
c.
85 to 90 degrees F
b.
65 to 75 degrees F
d.
80 to 85 degrees F
 

37. 

Why are hybrid seed so much more expensive than non-hybrids?
a.
More labor involved is involved in the production of hybrids.
b.
A lot of expensive research goes into the development of hybrids.
c.
Hybrids are superior to non-hybrids and demand for them is high.
d.
All the above
 

38. 

The first part of the new plant to emerge from the seed is the                .
a.
root
c.
stem
b.
leaves
d.
endosperm
 

39. 

Azaleas are propagated commercially by                in                .
a.
seeds; the fall
c.
cuttings; spring - summer
b.
seeds; the spring
d.
cuttings; after the last frost
 

40. 

Overhead watering systems are most successful when ...
a.
the plants are the same species and are the same size.
b.
the plants are in the same size pots.
c.
the same soil mix is used for all the plants.
d.
all the above.
 

41. 

Which material is rarely used in modern culture of potted horticultural crops at the commercial level ?
a.
manure
c.
compost
b.
topsoil
d.
all the above
 

42. 

LD50 refers to...
a.
the toxicity of pesticides.
c.
a sterilizing agent
b.
a kind of growth retardant.
d.
none of the above
 

43. 

A thermal blanket is                  to conserve energy during winter.
a.
pulled over the top of the greenhouse
b.
pulled over the top of the crop inside the greenhouse
c.
placed under the pots to supply gentle bottom heat
d.
none of the above
 

44. 

Which item of environmental control may work with the cooling and heating system?
a.
fan jet
c.
humidisat
b.
louvers
d.
pads
 

45. 

Which statement about greenhouse temperature is true?
a.
Day temperature should be the same as the night temperature.
b.
Day temperature is as easy to control as night temperature.
c.
Many plants are triggered to bloom by day temperatures.
d.
Exact night temperature is more critical than day temperature
 

46. 

To mix a cubic Yard of l:l:l soil you would add                Cubic feet of each ingredient.
a.
9
c.
12
b.
27
d.
None of these
 

47. 

Simple layering can be used to propagate                .
a.
gardenia
c.
Bearded iris
b.
Norfolk Island pine
d.
Sprengeri fern
 

48. 

All the following nutrients are needed by plants except:
a.
N, P, K, Ca, Ma
c.
Fh, Mn, Cl, Lm
b.
C, H, O, P, K
d.
CA, Mg, S, Fe
 

49. 

The process of hardening-off plants can be accomplished by ...
a.
decreasing fertilizer.
c.
decreasing water
b.
exposing plants to cooler temperatures.
d.
all the above
 

50. 

Rex and Richard were in business growing garden mums and delivering them to retailers. Their fixed cost of production was $.30 per pot and the total variable cost was $.90 per pot. Due to uncontrollable circumstances the market experienced a temporary down-turn in price and they were able to get only a $1.10 per pot bid for their plants. There was no immediate alternative use for the crop so Richard said ...
a.
we should get a larger truck.
b.
we should sell because we can recover some of our fixed cost.
c.
we should not sell. It is never good practice to sell for less than it costs to grow the crop.
d.
none of the above is the best alternative in this situation.
 



 
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