Question | Answer |
Which of the following materials can be used to lower the pH of a soil?
a. iron sulfate
b. molybdenum
c. dolomitic limestone
d. hydrated lime | a. iron sulfate |
Which of the following is NOT a short-day plant?
a. chrysanthemum
b. African violet
c. poinsettia
d. kalanchoe | b. African violet |
The manufacture of food (or energy) in green plants is called:
a. osmosis
b. photosynthesis
c. transpiration
d. respiration | b. photosynthesis |
Pinching poinsettias will:
a. increase plant height
b. increase flower size
c. increase flower bud formation
d. decrease flower bud formation | c. increase flower bud formation |
Gloxinias have:
a. tubers
b. corms
c. rhizomes
d. bulbs | a. tubers |
If all other conditions remain the same, increasing the greenhouse light intensity (e.g. from 5,000 to 15,000 footcandles) would result in:
a. lower temperatures
b. less transpiration
c. lower relative humidity
d. decreased growth rate | d. decreased growth rate |
Carnations are:
a. grown in a warm greenhouse
b. pinched to produce lateral stems and more flowers
c. annuals which must be re-seeded each year
d. planted deeply s the heavy stems do not fall over | b. pinched to produce lateral stems and more flowers |
Sterilizing soil by heat is often known as:
a. inorganic
b. fumigation
c. steaming
d. none of the above | c. steaming |
Inventory reports are used:
a. to determine the insurance needs of the business
b. to determine the most profitable items in the business
c. for end-of-year reports and tax reports
d. all of the above | d. all of the above |
A flower calyx is:
a. a tinted flower
b. the thick portion of the stem directly under the flower head
c. a lace or net doily which frames a colonial bouquet
d. a plastic tube filled with water | b. the thick portion of the stem directly under the flower head |
Organic additives are mixed with the growing media to:
a. reduce the cost of the media
b. reduce the water absorption of the media
c. improve the structure of the media
d. eliminate the need for fertilizers | c. improve the structure of the media |
Which of the following cut flowers is a deciduous shrub?
a. carnation
b. cymbidium orchid
c. strawflower
d. forsythia | d. forsythia |
"Damping off" of bedding plant seedlings is caused by:
a. insects
b. fungi
c. lack of fertilizer
d. lack of water | b. fungi |
Which of the following would not be suitable to use in a small dish garden?
a. Aluminum plant
b. Artillery Plant
c. Baby tears
d. Dracaena "Janet Craig" | d. Dracaena "Janet Craig" |
Budding is a common method of asexually propagating:
a. orchids
b. carnations
c. roses
d. snapdragons | c. roses |
The disease that causes young seedlings to fall over at the ground line is called:
a. damping off
b. brown spot
c. ground rot
d. stem canker | a. damping off |
In 100 pounds of 5-10-15 fertilizer, there are how many of available phosphorus?
a. 5
b. 10
c. 15
d. 20 | b. 10 |
An annual bedding plant well suited for shady conditions is:
a. impatiens
b. petunias
c. zinnias
d. tulips | a. impatiens |
If a soil is too acid, one should add ______ to raise the pH.
a. iron sulfate
b. superphosphates
c. ground limestone
d. sulfur | c. groud limestone |
Red spiders are controlled chemically by the use of:
a. herbicides
b. miticides
c. fungicides
d. antibiotics | b. miticides |
N, P, K, are abbreviations for what elements?
a. Nitrogen, Potassium, Phosphorus
b. Nitrogen, Phosphorus, Potassium
c. Nitrate, Potash, Phosphorus
d. Nitrate, Potassium, Potash | b. Nitrogen, Phosphorus, Potassium |
LD50 is:
a. lethal dose of a pesticide that kills 50% of the test animals
b. lethal dose of a pesticide that can be used on one-half of your crop
c. lethal dose needed to kill 50 humans
d. lethal dose that can be used on 50 common greenhouse pests | a. lethal dose of a pesticide that kills 50% of the test animals |
One of the most popular spike flowers used in floral design is:
a. Pompom mums
b. Gladiolus
c. Baby's breath
d. Carnation | b . Gladiolus |
A perennial is a plant that:
a. lives one month
b. lives one year
c. lives two years
d. lives more than two years | d. lives more than two years |
Annual plants which grow best in a shady are include:
a. begonia, impatiens, foxglove
b. china aster, cockscomb, alyssum
c. impatiens, coleus, begonia
d. peony, coleus, aster | c. impatiens, coleus, begonia |
A corm is a swollen, underground stem.
a. True
b. False | a. True |
Shading compound for greenhouses is used to reduce humidity.
a. True
b. False | b. False |
Crops grown under plastic greenhouse are of an inferior quality to those under glass.
a. True
b. False | b. False |
A dibble is an instrument used to measure the distance between seed rows.
a. True
b. False | b. False |
In an asymmetrical triangle arrangement, the three sides of the arrangement are equal.
a. True
b. False | b. False |
Good loam soil does NOT have to be modified for greenhouse use by addition of organic and inorganic materials.
a. True
b. False | b. False |
Wedding interviews should be handled by appointment only.
a. True
b. False | a. True |
Bud blasting of Easter lilies can be caused by lack of water.
a. True
b. False | a. True |
All greenhouse humidity should be removed in order to reduce the spread of plant disease.
a. True
b. False | b. False |
Lack of water can stunt bedding plants.
a. True
b. False | a. True |
Germination of bedding plants occurs best with minimum moisture levels and low temperatures (35 - 40 degrees).
a. True
b. False | b. False |
Staminate flowers only have female parts.
a. True
b. False | b. False |
C.O.D. deliveries mean that the florist should deliver the order and bill the customer at a later date.
a. True
b. False | b. False |
An 18 gauge wire would be used to wire a sweetheart rose.
a. True
b. False | b. False |
Roses grow best in partial to full shade.
a. True
b. False | b. False |
Xylem cells transport water from the roots, up the stem, and into the leaves.
a. True
b. False | a. True |
Snapdragons should be packed and shipped in a horizontal (flat) position.
a. True
b. False | b. False |
Rose corsages are appropriate for both semi-formal and formal occasions.
a. True
b. False | b. False |
All greenhouses are partially heated by solar energy.
a. True
b. False | a. True |
Good sanitation is one of the best controls for rhyoctonia and pythium.
a. True
b. False | a. True |
Urns, goblets, and pedestal containers are best for mass or line-mass arrangements.
a. True
b. False | a. True |
Azaleas are woody evergreens.
a. True
b. False | a. True |
The "handle" of wedding bouquets is often covered with satin ribbon.
a. True
b. False | a. True |
Fluorescent lighting in the cooler decreases the keeping quality of cut plant materials.
a. True
b. False | b. False |
A soft pinch removes about 2-1/2 inches of the mum stem.
a. True
b. False | b. False |