Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
| 1. | Fruit should
not be kept in the same cooler with fresh flowers because . . . a. | fruit flies eat flower
petals. | b. | bananas carry a fungus that will be transmitted to the
flowers. | c. | florists shouldn't sell fruit; that's the job of the grocery
store. | d. | ethylene gas from the fruit will cause the flowers to age
quickly | | |
|
|
| 2. | A greenhouse
covered with ____________ usually has the highest initial construction cost because of the structure
needed to support the glazing. a. | glass | c. | polyethylene | b. | fiberglass | d. | polycarbonate
sheeting | | | | |
|
|
| 3. | Most annual
bedding plants are started from seed in the winter. These include . . . a. | carnations, mums, and
hybrid tea rose. | c. | petunias, marigolds,
and scheffleras. | b. | carnations, poinsettias, and pepper. | d. | petunias, marigolds, and tomatoes. | | | | |
|
|
| 4. | Most
greenhouse operations purchase premixed soil (ready to use) because . . . a. | it is
sterile. | c. | it is readily
available. | b. | it frees up labor during busy seasons. | d. | all of the above | | | | |
|
|
| 5. | Most
greenhouses in the South are kept cool by . . . a. | fan and pad evaporative cooling
systems. | c. | evaporation control
systems. | b. | fans and heat pumps. | d. | air conditioners. | | | | |
|
|
| 6. | In
greenhouse crop production it is most important to keep the ______ temperature consistent and at the
proper level for the particular crop being grown. a. | day | c. | night | b. | day and night | d. | long day | | | | |
|
|
| 7. | Of the
flowering potted plants listed below, the two produced in the greatest numbers in the U.S. are . .
. a. | poinsettias and
tulips. | c. | geraniums and tuberous
begonias. | b. | Easter lilies and azaleas. | d. | chrysanthemums and poinsettias | | | | |
|
|
| 8. | The process
of removing the tips of shoots so as to promote lateral branch development in mums is known as . .
. a. | pinching. | c. | pruning. | b. | budding. | d. | thinning. | | | | |
|
|
| 9. | Two of the
conditions poinsettias require for flowering are . . . a. | long days and about 74
degree nights. | c. | long days and about 64
degree nights. | b. | short days and about 74 degree nights. | d. | short days and about 64 degree nights. | | | | |
|
|
| 10. | Ventilation
is necessary in greenhouses to . . . a. | regulate temperature. | b. | adjust the
humidity. | c. | provide for oxygen and carbon dioxide
exchange. | d. | all of the above | | |
|
|
| 11. | Which of the
following seeds are not covered during planting? a. | tomato | c. | pepper | b. | marigold | d. | begonia | | | | |
|
|
| 12. | The term
"forcing" floriculture crops generally refers to . . . a. | rooting cuttings of
plants that normally will not root. | b. | growing plants in pots in the season they grow naturally
outdoors. | c. | growing plants at times other than their natural growing
season. | d. | the use of chemicals to change or alter colors of
blooms | | |
|
|
| 13. | A plant
which is triggered to flower by day length is said to be . . . a. | phototrophic. | c. | photosynthetic. | b. | photoperiodic. | d. | photo | | | | |
|
|
| 14. | The newest
greenhouse covering material on the market is . . . a. | glass. | c. | polyethylene. | b. | polycarbonates. | d. | fiberglass | | | | |
|
|
| 15. | Marigold
blooms . . . a. | are seldom used by
florists. | c. | hold up well in
arrangements. | b. | have a disagreeable odor. | d. | all the above | | | | |
|
|
| 16. | Rooted
cuttings of pot mums are planted at an angle to encourage . . . a. | a more rounded
plant. | c. | branching. | b. | larger blooms. | d. | earlier flowering | | | | |
|
|
| 17. | The use of
_____ is one of the latest techniques to reduce labor requirements in transplanting and the
production of bedding plants. a. | quads | c. | packs | b. | plugs | d. | duds | | | | |
|
|
| 18. | Certain
plants are propagated vegetatively because . . . a. | plants grown from seed may not closely resemble their
parents. | b. | some plants seldom or never produce seed that will
grow. | c. | some crops are produced faster from vegetative
propagation. | d. | all of the above | | |
|
|
| 19. | The term
"cultivar" means . . . a. | a domesticated plant. | c. | a cultivated variety of a plant. | b. | a plant that only comes
true from seed. | d. | a plant that must be
propagated vegetatively. | | | | |
|
|
| 20. | Concrete
walks and drives should have roughened surfaces because . . . a. | it makes them more skid
resistant. | c. | slugs and earthworms
will stay off them. | b. | they are more easily constructed. | d. | water drains from them faster. | | | | |
|
|
| 21. | One brand of
slow release fertilizer is . . . a. | 10-10-10. | c. | Osmocote. | b. | Miracle-Gro. | d. | 5-10-15 | | | | |
|
|
| 22. | The letters
N-P-K stand for _____________ respectively. a. | nitrogen-phosphorous-potassium | c. | nitrate-phosphorous-potassium | b. | nitrogen-potassium-phosphorous | d. | none of these | | | | |
|
|
| 23. | What are the
two types of root systems found in plants? a. | taproot and fibrous | c. | primary and fibrous | b. | auxiliary and
secondary | d. | secondary and
primal | | | | |
|
|
| 24. | Which of the
following is included in the pistil of a plant? a. | filament | c. | pollen grain | b. | style | d. | anther | | | | |
|
|
| 25. | Which pH
reading would not require lime for adequate growth of non-acid-loving plants?
|
|
| 26. | Horticulture
businesses that handle plants must be inspected by the Department of Agriculture to prevent the
dissemination of . . . a. | insects. | c. | mites. | b. | disease. | d. | all of the above. | | | | |
|
|
| 27. | All the
following nutrients except ___, ___, and ___ must occasionally be added to the soil through
commercial fertilizers. a. | C, H, O | c. | N, P, K | b. | Ca, Mg, S | d. | Zn, Mg, K | | | | |
|
|
| 28. | Pesticides
should be stored in tight containers and kept in . . . a. | the
workroom. | c. | a machinery storage
shed. | b. | a locked storage room. | d. | the greenhouse | | | | |
|
|
| 29. | Bottom heat
refers to . . . a. | warmed growing or
propagation mediums. | c. | warmed workroom
stools. | b. | electric seat cushions. | d. | heat given off by germinating seeds. | | | | |
|
|
| 30. | Camellias
and azaleas require soil with a(n) _______ pH range. a. | acid | c. | alkaline | b. | neutral | d. | 2.0 | | | | |
|
|
| 31. | The first
thing to do before using a pesticide is . . . a. | put on protective clothing. | c. | read the label. | b. | wash all
equipment. | d. | fill the spray
tank | | | | |
|
|
| 32. | Potted
horticultural crops are sometimes watered to cause leaching. This means . . . a. | watering to wet only
the top 1/3 of the soil. | b. | watering heavily to flush excess soluble salts from the
soil. | c. | syringing the leaves of the plant. | d. | watering by subsurface
methods (from the bottom of the pot). | | |
|
|
| 33. | Brown discs
on the stems and leaves of a plant may indicate the presence of . . . a. | aphids. | c. | scale. | b. | fungus gnats. | d. | slugs. | | | | |
|
|
| 34. | The primary
reason for using mist in propagation is that it . . . a. | keeps the plant
material uniformly moist. | c. | is fully automatic and
requires no attention. | b. | keeps the plant material cool. | d. | does not wash nutrients out of the medium. | | | | |
|
|
| 35. | The function
of the stomata of a plant leaf is to . . . a. | open to allow light to reach the chlorophyll for
photosynthesis. | b. | regulate water vapor loss from the plant. | c. | regulate nutrient entry
from foliar fertilizer applications. | d. | prevent disease organisms from entering the
plant | | |
|
|
| 36. | When growing
horticultural crops and discussing the number of "breaks" on a plant, we are talking about
. . . a. | the breaking open of
flowers as they begin to bloom. | b. | vegetative buds that begin to develop into new
shoots. | c. | stems that break or bend due to weakness. | d. | broken or ruptured
areas on a stem due to excess fertilizer. | | |
|
|
| 37. | Excessive
vegetative growth, dark green color, and reduced flowering is likely to occur in most plants . .
. a. | if the pH is above
6.2. | c. | if the nitrogen level
is too high. | b. | under strong sunlight conditions. | d. | under high temperature conditions. | | | | |
|
|
| 38. | A cold frame
is 20' X 60'. If each pot occupies a space 15" X 15" and a 3' walk runs the
entire length of the cold frame, how many pots can be placed in the cold frame?
|
|
| 39. | A(n)
_________ is one commonly used material for restricting the amount of sunlight on greenhouse and
nursery crops. a. | apron | c. | black
cloth | b. | shade cloth | d. | burlap sheet | | | | |
|
|
| 40. | James Jones
was watering the plants in his garden center when he had a heart attack and died. His wife,
said, "James has left me with seven small children and lots of debts. I sure wish he had
____ ." a. | liability
insurance | c. | no-fault
insurance | b. | life insurance | d. | homeowners insurance | | | | |
|
|
| 41. | Nematodes
infest which of the following parts of plants most often? a. | leaves | c. | flowers | b. | roots | d. | fruits | | | | |
|
|
| 42. | In a
horticultural business, the cost of insurance is a(n) _____ cost. a. | overhead or
fixed | c. | crop | b. | short term | d. | variable | | | | |
|
|
| 43. | What type of
chemical would be used to control damping off? a. | herbicide | c. | insecticide | b. | miticide | d. | fungicide | | | | |
|
|
| 44. | Insecticides
that are absorbed into the plant through the leaves or roots and carried throughout the plant are
known as . . . a. | fumigants. | c. | contacts. | b. | systemics. | d. | sterilants. | | | | |
|
|
| 45. | The process
by which the energy of sunlight is converted into chemical energy (food) by green plants is known as
. . . a. | spiration. | c. | mutation. | b. | photosynthesis. | d. | photoperiodism | | | | |
|
|
| 46. | Suppose you
are being paid $4.50 per hour plus a commission of 10% on your total plant sales. If you worked
36 hours during the week, and sold $900 worth of plants, what would your gross salary
be? a. | $210.00 | c. | $177.00 | b. | $175.00 | d. | $252.00 | | | | |
|
|
| 47. | Insecticides
that have WP on the label . . . a. | must be diluted with water. | c. | are used only for sucking insects. | b. | are ready to apply with
a pump. | d. | are for warm-bodied
insects. | | | | |
|
|
| 48. | An example
of a pesticide that is used as a fumigant is . . . a. | Malathion. | c. | DDT. | b. | Sevin. | d. | Methyl Bromide | | | | |
|
|
| 49. | Which of the
following materials holds moisture as one of its functions in a soil mix? a. | peat
moss | c. | vermiculite | b. | pine bark | d. | all the above | | | | |
|
|
| 50. | Powdery
mildew is a . . . a. | nutritional
disorder. | c. | new-wave
band. | b. | fungus disease. | d. | bacterial disease. | | | | |
|