Name: 
 

1979 National Floriculture Exam


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

1. 
At what temperature do most bedding plant seeds germinate best?
a.
60-65 degrees
c.
65-75 degrees
b.
50-60 degrees
d.
80 degrees
 

2. 
Near the finishing days of a poinsettia crop the temperature is lowered to:
a.
intensify color
c.
shorten the plants
b.
speed up crop
d.
reduce insects
 

3. 
A fan near germinating seeds and young seedlings may help:
a.
control humidity
c.
control disease
b.
control insects
d.
none of the above
 

4. 
What type wiring should be used for chrysanthemums (cut flowers)?
a.
hay-wire
c.
clutch-wire
b.
piercing
d.
hook-wire
 

5. 
A good ventilation system is necessary for:
a.
disease prevention
c.
A and B
b.
even heating and cooling
d.
none of the above
 

6. 
Seedlings should be transplanted when:
a.
the seed leaves appear
c.
the seedlings are 1" tall
b.
the first set of true leaves appear
d.
the second set of true leaves appear
 

7. 
For a Christmas crop, Poinsettias should color by:
a.
Nov. 1
c.
Nov. 15
b.
Dec. 1
d.
Oct. 15
 

8. 
A growth regulator helps make Chrysanthemums:
a.
taller
c.
brighter
b.
shorter
d.
disease resistant
 

9. 
The most desirable night temperature for Chrysanthemums is:
a.
70 degrees
c.
40 degrees
b.
80 degrees
d.
60 degrees
 

10. 
When applying a pesticide, spray at an angle to:
a.
keep the spray mixed
c.
prevent spraying blooms
b.
cover the undersides of the leaves
d.
none of the above
 

11. 
When changing the greenhouse temperature, change it no more than:
a.
2 degrees in 24 hours
c.
4 degrees in 6 hours
b.
6 degrees in 12 hours
d.
30 degrees in 6 hours
 

12. 
What is added to the soil to make hydrangea color blue?
a.
lime
c.
Aluminum Sulfate
b.
5-10-15
d.
ph
 

13. 
The best storage temperature for greens such as Leather Leaf is:
a.
40 degrees F
c.
28 degrees F
b.
70 degrees F
d.
14 degrees F
 

14. 
What is a cultivar?
a.
various flowers
c.
varieties of mums
b.
cultivated variety
d.
a cultivation tool
 

15. 
The plants that are photo periodic listed here are:
a.
Poinsettias and tomatoes
c.
Mums and tomatoes
b.
Carnations and Chrysanthemums
d.
Poinsettias and Chrysanthemums
 

16. 
Most Chrysanthemums are sold as:
a.
doubles
c.
single stem
b.
Pom Poms
d.
standards
 

17. 
This is a short day plant:
a.
Carnation
c.
Gladiolus
b.
Aster
d.
Chrysanthemums
 

18. 
These buds will begin to develop when others are removed:
a.
terminal buds
c.
lateral buds
b.
auxiliary buds
d.
bottom buds
 

19. 
The best temperature at which to grow foliage plants is:
a.
70 degrees
c.
50 degrees
b.
60 degrees
d.
40 degrees
 

20. 
From the time of propagation it will take _________ months for an African Violet to bloom (from leaf cuttings).
a.
2
c.
6
b.
4
d.
9
 

21. 
Which plants all make good house foliage plants?
a.
Poinsettia, Carnation, Mums
c.
Spathiphyllum, Dieffenbachia, Dracena
b.
Spathiphyllum, Mums, Cactus
d.
Marigolds, Zinnias, Cactus
 

22. 
What bedding plants seed best?
a.
Petunia, Salvia, Coleus
c.
Poinsettia, Coleus, Petunia
b.
Petunia, tomato, Impatience
d.
Coleus, Ageratum, Salvia
 

23. 
What potted plants seed best?
a.
Poinsettia, Chrysanthemums
c.
Poinsettia, Begonias
b.
Begonia, Caladiums
d.
Chrysanthemums, Caladiums
 

24. 
Tiny Webs on plants are a symptom of:
a.
Mealy bugs
c.
spiders
b.
Spider Mites
d.
Aphids
 

25. 
Cut flowers are best stored at:
a.
40-70 F.
c.
70-80 F
b.
35-42 F.
d.
30-32 F
 

26. 
This material is used to sterilize tools
a.
Malathion
c.
Temik
b.
LF-10
d.
Dexon
 

27. 
When fertilizing plants, you may use the following method/methods:
a.
constant feed
c.
give heavy fertilizing every 7-10 days
b.
use slow release fertilizer
d.
all of the above
 

28. 
To apply restricted pesticides you must have a license from:
a.
the pesticide manufacturer
c.
the country
b.
State and Federal government
d.
all of the above
 

29. 
Peat moss is added to the soil for better:
a.
Drainage
c.
compaction
b.
Water holding ability
d.
A-B
 

30. 
A 10-week (group) Chrysanthemum means it will bloom:
a.
10 weeks from planting
c.
10 weeks after pinching
b.
10 weeks from beginning of short nights
d.
10 weeks from beginning of long nights
 

31. 
A test for pH measures:
a.
NPK
c.
40 NPK
b.
Acidity or Alkalinity
d.
Carbon dioxide
 

32. 
Normal CO2 in Greenhouse Air is about:
a.
300 PPM
c.
40 NPK
b.
10 PPM
d.
10 parts
 

33. 
What does a solu-bridge measure in the soil?
a.
pH
c.
NPK
b.
CO2 content
d.
soluble salts
 

34. 
If a poinsettia crop blooms 2 weeks late, it is probably because it:
a.
was over fertilized
c.
was under fertilized
b.
received to much night light
d.
too much temperature variation
 

35. 
Yellowing of leaves of a plant is most often:
a.
too much sun
c.
Nitrogen deficiency
b.
Insecticide burn
d.
too much temperature variation
 

36. 
If a floral design looks as though it will fall, then the ________ is wrong.
a.
balance
c.
line
b.
form
d.
skeleton
 

37. 
The yellow lines marking off an area around a piece of machinery is to show:
a.
a danger zone
c.
where to stand while using
b.
a safety zone
d.
to decorate the shop
 

38. 
Why should leaves not  be left wet at night?
a.
it encourages insects
c.
it may blister leaves
b.
it encourages disease
d.
it washes off pesticide
 

39. 
What cut flower keeps best?
a.
Carnations
c.
Snapdragons
b.
Roses
d.
Chrysanthemums
 

40. 
What is commonly tested for in soil tests?
a.
Fe - Ca
c.
sulfur
b.
N, P, K, Ca, Mg, soluble salts
d.
Ca - Mg
 

41. 
The underlying skeleton arrangement is:
a.
form
c.
balance
b.
line
d.
skeleton
 

42. 
To keep the Calyx from splitting off (carnations):
a.
reduce the fertilizer
c.
do not give the plants any night light
b.
do not let the temperature vary more then 15 degrees
d.
reduce the number of waterings
 



 
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