Floriculture 2017 National FFA Test

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. Soluble salts meter.

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 genotypes 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 appropriate EC range for flowering potted crops using the pour through extraction method is:
A. 0.25mS/cm to 0.75mS/cm.
B. 0.5mS/cm to 2.0mS/cm.
C. 1.0mS.cm to 4.6mS/cm.
D. 3.0mS.cm t

C. 1.0mS.cm to 4.6mS/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 superphosphate.

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. Environm

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. 0.003 percent.

A plant's growth response to 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 though prepared nutrient solutions.
B. Yield per unit area is reduced since plants may be planted closer together.
C. Roots do not spread as much becaus

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 chemica

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

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 resistanc

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 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 cost.
B. Overhead cost.
C. Fixed cost.
D. Direct cost.

D. Direct Cost.

A 6-inch 'azalea pot' has an inside rim diameter of __________ inches and a depth of __________ inches.
A. 6; 8.
B. 6; 6.
C. 6; 4.5.
D. 6; 3.

C. 6; 4.5.

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 nigh 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

D. All of the above.

In order to preserve foliage in a more natural, pliable state, place stem 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 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.