The following is not a characteristic of an insect:
A. Three segmented body
B. Six legs
C. Two pairs of wings
D. Two tentacles
D. Two tentacles
The following is not used to measure greenhouse crop nutrient levels:
A. Soil tests
B. Soluble salts meter
C. Foliar analysis
D. Tensiometer
D. Tensiometer
Light intensity can be measured in units of:
A. Nanometers
B. Micrometers
C. Foot-candles
D. Newtons
C. Foot-candles
A ___________results from crossing parents of different genotype for a trait.
A. clone
B. scion
C. species
D. hybrid
D. hybrid
The ________ transports water and nutrients from the roots to other parts of the plant.
A. phloem
B. xylem
C. pith
D. cambium
B. xylem
Crassula argentea is the botanical name for Jade Plant. Crassula is the _______ of the plant.
A. family
B. cultivar
C. species
D. genus
D. genus
Indolebutyric acid (IBA) is commonly used to:
A. control insects
B. control diseases
C. raise soil pH
D. promote rooting of cuttings
D. promote rooting of cuttings
Signal words on labels alert the user to the toxicity of a pesticide. Which of the following words is not used as a signal word?
A. DANGER
B. HAZARDOUS
C. CAUTION
D. WARNING
B. HAZARDOUS
Which of the following flower parts is contained in the pistil?
A. sepal
B. receptacle
C. anther
D. style
D. style
_________ is the process of softening or breaking a seed coat in order to overcome seed dormancy.
A. Scarification
B. Stratification
C. Ratification
D. Augmentation
A. Scarification
Prior to transplanting, seedlings should be _______________. A. kept in the dark.
B. grown at a temperature of 90�F.
C. hardened-off
D. allowed to dampen-off.
C. hardened-off
In order to lower the pH of a soil, materials containing ________ are used.
A. dolomite
B. lime
C. hydrated lime
D. sulfur
D. sulfur
Which of the following nutrients would be retained more by a root medium with high cation exchange capacity (CEC)?
A. Potassium
B. Phosphate
C. Nitrate
D. Sulfate
A. Potassium
Soluble salts in medium is measured by electrical conductivity (EC). An appropaite EC range for flowering potted crops using the pour through extraction method is:
A. 0.25mS/cm to 0.75 mS/cm
B. 0.5 mS/cm to 2.0 mS/cm
C. 1.0 mS.cm to 4.6 mS/cm
D. 3.0 mS.cm
C. 1.0 mS.cm to 4.6 mS/cm
Soilless medium can be amended with which of the following materials prior to potting to provide magnesium?
A. Epsom Salt
B. Gypsum
C. Micronutrients mix
D. Triple superphospate
A. Epsom Salt
The Worker Protection Standards (WPS) developed for agriculture pesticides was implemented by what government agency?
A. United States Department of Agriculture
B. Agriculture Cooperative Extension Service
C. Department of Homeland Security
D. Environment
D. Environmental Protection Agency
Cytokinins are responsible for cell division and differentiation in the plant. Cytokinins are produced in what plant part?
A. Lateral shoots
B. Roots
C. Terminal shoots
D. Cambium
B. Roots
Which of the following auxins is naturally produced in the plant?
A. Indole-3-acetic acid (IAA)
B. Naphthalene acetic acid (NAA)
C. Indolepropionic acid (IPA)
D. Indole-3-butyric acid (IBA)
A. Indole-3-acetic acid (IAA)
Carbon is an essential plant element. Plants obtain carbon from carbon dioxide gas (CO2). Air on the average contains what percent CO2?
A. 0.30 percent
B. 30 percent
C. 0.03 percent
D. 3 percent
C. 0.03 percent
A plant's growth response to temperature is called: A. Vernalization
B. Thermotropism
C. Photoperiodism
D. Thermoperiodic
B. Thermotropism
Which of the following is not an advantage of hydroponics?
A. Plant nutrition is completely controlled through prepared nutrient solutions.
B. Yield per unit area is reduced since plants may be planted closer together.
C. Roots do not spread as much becau
B. Yield per unit area is reduced since plants may be planted closer together
Allelopathy is a plant phenomenon that does the following to plants:
A. Prevents the formation of bacteria organisms
B. Stops fungus organisms from growing on plants
C. Creates a mechanism within the plant to induce flowering
D. Production of a chemical c
D. Production of a chemical compound by one plant that slows down or stops the growth of another plant
Pesticides can be purchased for use in the greenhouse as a wettable powder (WP) or as an emulsifiable concentrate (EC). Which of the following is true about these two pesticide formulations.
A. WP are diluted (dissolved) in water and can settle during app
A. WP are diluted (dissolved) in water and can settle during application while EC are suspended in water and do not settle during application.
Tulle in florist work is:
A. The ribbon added to any floral piece being created
B. Florist netting that can add color, texture, and support for some flowers
C. Silk leaves used instead of fresh foliage in corsages
D. Other accessories used in corsages suc
B. Florist netting that can add color, texture, and support for some flowers
The country that is the leading exporter of cut flowers to the United States floral industry is:
A. Holland
B. Ecuador
C. Mexico
D. Columbia
D. Columbia
The climatic conditions that are needed for carnations to be grown successfully as a cut flower include?
A. Low light intensity, mild climate requiring minimal amount of protection, uniform temperature and day length
B. High light intensity, mild climate
C. High light intensity, mild climate requiring minimal amount of protection, uniform temperature and day length
In growing chrysanthemums as cut flowers the plant requires which of the following conditions to maintain a vegetative state of growth?
A. Day length at less than 9.5 hours growing at 60 degrees
B. Day length between 11 and 12 hours growing at 80 degrees
D. Day length greater than 14.5 hours growing at 60 degrees
The advantages of an ebb and flood irrigation system in the greenhouse are:
A. Labor savings
B. Reduced water and nutrient use
C. Lower pesticide use
D. All of the above
D. All of the above
Which of the following is not a plant hormone that can be used as a plant growth regulator?
A. ethylene
B. anthocyanin
C. abscisic acid
D. gibberellin
B. anthocyanin
The best root medium pH for a majority of spring bedding plants, but not including petunias or geraniums, is:
A. 4.5 to 5.5
B. 5.5 to 6.5
C. 6.5 to 7.5
D. 7.5 to 8.5
B. 5.5 to 6.5
In grafting, such as for grafted tomato transplants,
A. the scion is the top part of the graft and the rootstock is the lower part
B. the rootstock is the top part of the grant and the scion is the lower part
C. the scion often imparts disease resistance
A. the scion is the top part of the graft and the rootstock is the lower part
The pistil is
A. the female part of the flower
B. the male part of the flower
C. contains both the male and female parts of a flower
D. becomes seeds
A. the female part of the flower
The pH of the root medium indicates to a greenhouse grower its
A. volumetric water content
B. salt ions dissolved in water
C. hydrogen ion concentration
D. organic matter content
C. hydrogen ion concentration
On a financial planning sheet, the costs of the plant materials (i.e. purchase cost of seeds, cuttings, bulbs, or other plant propagule) would be examples of: A. wholesale costs
B. overhead costs
C. fixed costs
D. direct costs
D. Direct costs
A 6-inch 'azalea pot' has an inside rim diameter of _(i)_inches and a depth of __(ii)__inches.
A. (i) 6-inches, (ii) 8 inches
B. (i) 6-inches, (ii) 6-inches
C. (i) 6-inches, (ii) 4.5-inches
D. (i) 6-inches, (ii) 3-inches
C. (i) 6-inches, (ii) 4.5-inches
Respiration:
A. produces sugars in the plant
B. occurs only during the night
C. releases oxygen to the atmosphere
D. none of the above
D. None of the above
What type of environment do poinsettias require to produce red bracts?
A. short day photoperiod
B. long day photoperiod
C. cool day temperature regime
D. cool night temperature regime
A. short day photoperiod
Botanical names are written in:
A. English
B. Latin
C. Greek
D. German
B. Latin
The greenhouse insect pest problem of aphids can be effectively managed by using:
A. biological control such as lady beetles
B. chemical control such as the use of an insecticidal soap C. the cultural control of washing them off the plant with a strong st
D. All of the above
In order to preserve foliage in a more natural, pliable state, place stems in:
A. glycerin
B. bleach
C. antifreeze
D. borax
A. glycerin
Which glazing material for greenhouses allows the greatest light transmittance?
A. fiberglass
B. polyethylene
C. glass
D. polycarbonate
C. glass
To pasteurize a container root medium, heat it to:
A. 120 degrees for 30 minutes
B. 120 degrees for 60 minutes
C. 180 degrees for 30 minutes
D. 180 degrees for 60 minutes
C. 180 degrees for 30 minutes
A guideline for estimating the size for a floral design for a defined space is known as
A. Rule of Thirds
B. Third Rule
C. The Golden Ratio
D. The Golden Rule
A. Rule of Thirds
The term variegated means?
A. Leaves can only be both yellow and green.
B. Leaves have patches, stripes, or marks of different colors.
C. Leaves have only stripes of different colors.
D. Leaves are solid green with no other colors.
B. Leaves have patches, stripes, or marks of different colors
Systemic dyeing occurs by plants absorbing color through the
A. Petal
B. Leaf
C. Sepal
D. Stem
D. Stem
A Freesia (Figure 1) is an example of a ______________.
A. Bulb
B. Tuber
C. Corm
D. Rhizome
C. Corm
_______ is the single most important element to keep flowers fresh after delivery from a supplier.
A. Air/ Ventilation
B. Water
C. Light
D. Cool Temperatures
B. Water
The three primary ingredients in floral preservatives are sugar, ______, and an acidifier.
A. Biocide
B. Salt
C. Chlorophyll
D. Iodine
A. Biocide
The sense of stability in a design both physically and visually is known as
A. Rhythm
B. Balance
C. Scale
D. Unity
B. Balance
A floral design with a strong sense of ________ shows an organization of elements so they appear to belong together.
A. Rhythm
B. Balance
C. Scale
D. Unity
D. Unity