General Knowledge Exam

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Which of the following greenhouse covering materials can be used on a Gothic arch greenhouse?

Fiberglass panels, polyethylene plastic film, polycarbonate panels

In floral design, baby's breath is classified as a flower

Filer

What Material does a designer use to temporarily anchor a frog to a container?

Florist clay

In addition to the flowers themselves what else is often included in a box of cut flowers?

Flower preservation and care card

What are the basic parts of the greenhouse structure?

Frame and covering

Which of the following job titles would be responsible for keeping current on plant-production technology?

Grower

Which of the following represents the greatest advantage for using twin-walled poly carbonate as a covering material?

Heat retention

Which of the following represents the greatest disadvantage for using twin-walled poly carbonate as a greenhouse covering material?

High initial cost

Which of the following illustrates proportion in a floral arrangement?

How one flower relates to the next in size, color, or shape

Which of the following wavelenghts of light would cause the greatest heating effect of plants?

Infrared

Which of the following is not characteristics of plants which are dicots?

It stores water, dissolved minerals and other materials

Which of the following is true for the vacuole a plant's cell?

It stores water, dissolved minerals and other materials

Which of the follow should not be done when handling complaints from customers?

Kindly inform the customer they are free to take their business elsewhere

Which of the following is not one of the three main elements of the worker protection act?

Legal counsel for law suits by workers

Which of the following is a disadvantage of a lean-to greenhouse structure?

Limited usable growing space

Which of the following elements of floral design establishes the shape or structure of the arrangement?

Line

Which of the following is not characteristic of a plant growing with adequate amounts of light

Longer internodes

Which of the following is classified as an essential secondary macro element in plant nutrition?

Magnesium

What is the most important consideration when designing/locating a greenhouse?

Maximize available sunlight

Which of the following is not a reason for wiring a flower?

wiring adds a new look to the arrangement

If fixed production costs for a greenhouse equals $0.15 per square foot a week, what would be the fixed costs associated with a 6 inch pot of Chrysanthemum occupying 2 square foot for 9 weeks?

$2.70

How much profit would a shop obtain from a arrangement priced at $13.50 if the 3:1 markup pricing method was used?

$9.00

If labor costs $10.00 per hour and a worker can transplant 10 trays filled with 806 cell packs per hour, how much transplanting labor is involved with each cell pack (rounded to two decimals)?

$0.13

Suppose you wish to apply two pounds of potassium expressed as K2O to a greenhouse bed used for cut flowers production. if you plant to use 20-20-20 fertilizer, how much should you apply?

10 pounds

Which of the following LD 50 ratings would represent the least toxic material of the four?

2978 mg/kg

How many pounds of actual nitrogen are contained by a 20 pound bag of 20-10-20 fertilizer?

4

Which of the following is true about greenhouse with forced-air heating systems?

A fan(s) moves the heat from the heater to the greenhouse interior

Which of the following is true concerning a flower?

A flower may be incomplete yet perfect

What must a designer do to prepare a wicker basket for a fresh floral arrangement?

Add a liner

Which of the following flowering house plants will thrive under the lowest light intensity?

African violet

What is the name of the part of a flower that produces pollen?

Anther

Which of the following would not be a part of the cultural records of a greenhouse crop?

Average greenhouse temperature

In floral design, which of the following is needed to achieve visual stability?

Balance

When constructing a centerpiece arrangement, when is foliage most likely to be added?

Before the flowers are added

Which of the following primarily is used to adding bulk density to a growing medium?

Calcined clay

Which of the following is not a legal consideration in greenhouse planning?

Competition within 50 mile radius

Which of the following represents a fixed greenhouse cost?

Depreciation

Which of the following is not a basic form or shape used in floral design?

Dynamic

Which agencies govern the proper disposal of pesticides?

Environmental Protection Agency and State Department of Agriculture

Which of the following is the formula for the solution used to glycerinize foliage?

Equal amounts of water and glycerine

Because they emit ______________ fresh greens used in wreath construction should not be stored in the same cooler with flowers?

Ethylene

Which of the following gases normally is not part of the greenhouse atmosphere?

Ethylene

Which of the following represents typical symptoms caused by a virus?

Mottled leaves with "quilted" (mosaic) appearance

Unit heaters that use combustible fuels?

Must be supplied with fresh air

Which of the following would indicate the presence of thrips on a greenhouse crop?

New leaves streaked with feeding marks (silvering)

Which of the following irrigation systems would most likely add to foliage disease problems?

Overhead, hand watering with a wand

Which of the following is not a color harmony suitable for floral arrangements?

Pastel

What type of insect control measure does covering greenhouse air intake openings with fine screen mesh to prevent insect entry exemplify?

Physical control

Which of the following is not a rule of floral design?

Place dark colors toward the top of the arrangement

Which of the following is characteristic of the interior layout of retail greenhouses?

Plants and supplies within easy reach

When wrapping cut flowers for delivery, how should they be placed on the sheet of wrapping paper?

Pointing toward one corner

Which of the following is a physical characteristic of a growing medium?

Porosity

Necrosis along the edges of the older, lower leaves of a plant best describes a deficiency of which of the following essential mineral elements?

Potassium

What damage can low humidity in greenhouse cause to plants?

Promote excessive water loss via transpiration

As a method of greenhouse energy conservation, the installation of thermal blankets or "heat sheets" operates on the principle of

Reducing the amount of greenhouse space to be heated

Which of the following growing media amendments is inorganic in nature?

Rock wool

Who devised the first plant forcing structures and what were they called?

Romans: specularia

The initial step in the process of seed germination occurs when the?

Seed swells and moisture is absorbed

What is the term given to a plant that will flower only when exposed to daily periods of darkness exceeding a critical duration?

Short-day plant

Which of the following is not true about the use of silk flowers in arrangements?

Silk flower stems can be easily cut with a florist scissors.

What is the name of the part of a flower upon which pollen alights during pollination?

Stigma

Subjecting seed to cool, moist conditions is known as?

Stratification

Which of the following is an essential macro-nutrient?

Sulfur

How is the use of dried flowers different from the use of silk flowers in arrangements?

The stems of most dried flowers cannot be bent to a particular shape

Wounding the stem behind the terminal tip and burying the wounded stem is termed?

Tip layering

If a container is six inches tall, how tall should the finishes arrangement be?

Twelve to fifteen inches

Why is it important to twist the ribbon when using single-sided ribbon?

Twisting the ribbon causes the fished side to face outward

In a retail flower shop, how often should "hard goods" be turned over?

Two to four months

The xylem tissue in a plant translocates

Water and dissolved minerals to photosynthesizing cells

Enviromental factors that affect transpiration rate include?

Wind, light, temperature

Which of the following is not a fossil fuel?

Wood

Which of the following pests has a piercing and sucking mouth part?

Worms

Which of the following are not designs used in the ceremony of a wedding?

canopy, unity candle, aisle runner

Which of the following popular potted gift plants cannot be re-bloomed?

fairy primrose

What is the name of the female part of a flower?

pistil


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