Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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| 1. | ______________ is one of the greatest causes of failure in growing house
plants. a. | Vandalism | c. | Watering | b. | Under-fertilization | d. | Pinching | | | | |
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| 2. | The
most serious pesticide poisonings occur: a. | On windy days | c. | After dark | b. | During mixing
and loading | d. | From an
airplane | | | | |
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| 3. | _____________ are horizontal underground stems. a. | Rhizomes | c. | Stolons | b. | Tubers | d. | Corms | | | | |
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| 4. | The
measure of how poisonous a chemical is after a single exposure is _____________
toxicity. a. | chronic | c. | accurate | b. | bad | d. | acute | | | | |
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| 5. | LD50 is the measure for _______________ toxicity. a. | oral | c. | herbal | b. | inhalation | d. | none of the above | | | | |
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| 6. | All
soil used in house plant mixes should be sterilized to kill certain pests. Which of the
following is Not one of the organisms that will be killed during
sterilization? a. | Insects | c. | Weed
seed | b. | Rodents | d. | disease
organisms | | | | |
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| 7. | _________________ is a sterile, lightweight mica product. a. | Peat | c. | Coir | b. | Perlite | d. | Vermiculite | | | | |
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| 8. | Orchids like _____% to ______% humidity. a. | 50-80 | c. | 80-90 | b. | 30-40 | d. | 10-15 | | | | |
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| 9. | The
______________ in the stems produces all new cells. a. | xylem | c. | lenticels | b. | cambium | d. | phloem | | | | |
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| 10. | The
organic compounds that affect the enlargement and division of cells, tissue differentiation,
dormancy, leaf aging, and leaf drop are known as ___________________. a. | Cytokinins | c. | Gibberelins | b. | Abscisic Acid | d. | Ethylene | | | | |
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| 11. | A
plants response to temperature is known as: a. | Photoperiodism | c. | Angiotrophism | b. | Thermotropism | d. | None of the
above | | | | |
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| 12. | What
is the fertilizer element that is used by the plant to make chlorophyll molecules? a. | Nitrogen | c. | Phosphorus | b. | Potassium | d. | Calcium | | | | |
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| 13. | In
Floral Design, placing objects in strategic locations to create a visual feeling of stability in a
design is known as _______________________. a. | accent | c. | proportion | b. | rhythm | d. | balance | | | | |
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| 14. | Baby's Breath is an example of a ______________flower. a. | mass | c. | form | b. | filler | d. | foliage | | | | |
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| 15. | The
insecticide Mr. Jones sprayed in his greenhouse had a skull and crossbones on the label. What
is the allowed re-entry time for the area treated with this chemical? a. | 24
hours | c. | 48
hours | b. | 12 hours | d. | immediately | | | | |
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| 16. | ___________________ is the branch of horticulture dealing with the production,
storage, processing, and marketing of vegetables. a. | Pomology | c. | Olericulture | b. | Floriculture | d. | All of the
Above | | | | |
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| 17. | A
flower containing both stamens and pistils is known as a________________
flower. a. | perfect | c. | imperfect | b. | incomplete | d. | pistilate | | | | |
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| 18. | Which
of the following is not necessary for seed germination? a. | Light | c. | Moisture | b. | Soil | d. | Optimal temperature | | | | |
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| 19. | The
ability of a plant to withstand colder temperatures is known as
_________________. a. | toughness | c. | temperate | b. | strength | d. | hardiness | | | | |
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| 20. | _________________________ is using foliage plants inside buildings to create the
feeling of outdoors. a. | Landscaping | c. | Naturalizing | b. | Interiorscaping | d. | Pollinating | | | | |
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| 21. | ___________________ describes the evaporation of water from the plant
leaf. a. | Turgidity | c. | Transportation | b. | Precipitation | d. | Transpiration | | | | |
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| 22. | What
is added to acidic soil to raise the pH? a. | Organic matter | c. | Lime | b. | sand | d. | A high Nitrogen fertilizer | | | | |
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| 23. | Which
of the following is the proper sequence of the layers of a leaf? a. | Lower epidermis,
chloroplasts, spongy tissue, palisade layer, upper epidermis. | c. | Lower epidermis, spongy layer, chloroplasts, palisade
layer, upper epidermis | b. | Lower epidermis, spongy layer, palisade layer, chloroplasts,
upper epidermis | d. | Lower epidermis,
palisade layer, chloroplasts, spongy layer, upper epidermis | | | | |
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| 24. | IPM is an acronym for: a. | Integrated pest material | c. | Integrated pest management | b. | Intensive pest
management | d. | Intensive pest
material | | | | |
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| 25. | The
petals on a flower are actually leaves.
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| 26. | Superior nursery is selling begonias, petunias, and marigolds at $9.50 per flat.
They are selling impatiens, and ageratum at $11.75 per flat and Dusty Miller, salvia and snapdragons
at $7.25 per flat. Mrs. Cooper buys 3 begonias, 2 marigolds, 1 Dusty Miller, 1 impatiens, and 4
salvia. The tax is 6 percent. What is her total cost? a. | $95.50 | c. | $101.23 | b. | $96.50 | d. | $100.23 | | | | |
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| 27. | The
fertilizer element __________________ increases the plant's resistance to disease. a. | Potassium | c. | Nitrogen | b. | Zinc | d. | Phosphorus | | | | |
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| 28. | Which
of the following would not be effective in lowering the pH in alkaline soils? a. | Applying
sulfur | c. | Applying
aluminum sulfate | b. | Applying lime | d. | Applying iron sulfate | | | | |
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| 29. | _________________ seed are those that are soaked in a salt solution of KCL or ethyl
alcohol in order to make the growth hormones or enzymes to become active and the seed radical or
young root to start growth. a. | Primed | c. | Propagated | b. | Scarified | d. | None of the
above | | | | |
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| 30. | Soil
sterilization requires heating the soil at a. | 1600F for two hours | c. | 1800F for half an hour | b. | 1200F
for two hours | d. | None of
these | | | | |
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| 31. | The
watering system that uses the least amount of water a. | overhead
irrigation | c. | trickle
tube | b. | hand
watering | d. | capillary
mat | | | | |
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| 32. | The
best disease control program is started with a. | regular inspection for disease | c. | a sterile planting media, container, and a sanitary
environment | b. | a good spray program | d. | all of the above | | | | |
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| 33. | When
transplanting bedding plants, the soil temperature needs to be
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| 34. | Which
of the following is considered to be a cool color in a floral design? a. | yellow | c. | orange | b. | red | d. | green | | | | |
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| 35. | A
Jardiniere is a a. | fancy calligraphic design for floral
designs. | c. | decorative
ribbon used in floral arrangements. | b. | decorative container used to hold potted
plants. | d. | none of the
above. | | | | |
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| 36. | ____________________ is a rigid greenhouse covering that is made of double layers, has
high light transmission, is flame retardant and has the strongest resistance to
breakage. a. | Polyethylene | c. | Polycarbonate | b. | Fiberglass | d. | Glass | | | | |
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| 37. | Silt
has soil particles from _____ to _____ mm in diameter. a. | 0.05 to
0.002 | c. | 0.05 to
0.02 | b. | 0.5 to
0.002 | d. | 0.005 to
0.0002 | | | | |
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| 38. | Jan
works at Sunshine Florist after school and on Saturday mornings. She is paid $5.65 per
hour. On the week of March 5, she worked 29 3/4 hours. If the florist withheld $6.38 for
taxes and Social Security, what would be her gross pay. a. | $161.71 | c. | $164.47 | b. | $174.47 | d. | $168.09 | | | | |
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| 39. | Which
of the following fertilizer elements is Not a micro-nutrient? a. | Chlorine | c. | Boron | b. | Calcium | d. | Manganese | | | | |
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| 40. | A
_______________ is the entire whorl of petals. a. | receptacle | c. | sepal | b. | calyx | d. | corolla | | | | |
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| 41. | Which
of the following would Not be listed on a pesticide label? a. | The original
formulator | c. | storage and
disposal statement | b. | Manufacturer | d. | Registration Number | | | | |
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| 42. | Which
of the following bulbs are the easiest for forcing? a. | Tulips | c. | Daffodils | b. | Freesias | d. | Amaryllis | | | | |
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| 43. | _______________ is a process of events whereby the seed embryo goes from a dormant
state to an active growing state. a. | Transpiration | c. | Propagation | b. | Germination | d. | Marginalization | | | | |
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| 44. | Which
of the following is an advantage of germinating seed in 1020 poly-flats? a. | Little
transplant shock | c. | Little equipment
is necessary | b. | Transplanting is faster, so labor
saving | d. | Disease can be
confined | | | | |
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| 45. | Which
of the following is not a cost efficient method of cooling a greenhouse? a. | Fan-tube
ventilation system | c. | Central
air-conditioning system | b. | Fan and pad cooling system | d. | Natural ventilation system | | | | |
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| 46. | _____________ is the simplest form of pruning and is used to encourage lateral
branching, remove unwanted growth, and increase the size of flowers. a. | Snipping | c. | Pinching | b. | Clipping | d. | B & C | | | | |
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| 47. | Which
of the following plant growth regulators could be used on Poinsettias to shorten stem
length? a. | Cycocel | c. | B-Nine | b. | Arest | d. | all of the above | | | | |
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| 48. | Which
of the following are primary colors? a. | blue, yellow and green | c. | red, yellow and blue | b. | green, orange
and blue | d. | blue, red and green | | | | |
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| 49. | The
color harmony produced by using various shades, tints, and tones of one color is
called: a. | split
complementary harmony | c. | triad
harmony | b. | monochromatic harmony | d. | direct complementary harmony | | | | |
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| 50. | The
most popular form of asexual reproduction of plants is a. | T-budding. | c. | layering. | b. | grafting. | d. | cuttings. | | | | |
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