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Worksheets2021 National FFA Floriculture General Knowledge Exam
Total questions: 50
Worksheet time: 25mins
The water-conducting tissue of plants is called _________.
xylem
phloem
peduncle
pedicel
A chemical compound used as an additive to prevent the growth of bacteria in vase water is considered to be a(an) _________.
acidifier
biocide
botrytis
citric acid
Rolling back petals of a flower to create a more open blossom is called _________.
petalling
reflexing
sewing
tailoring
What is a common target date for bracts to develop color and the flowers open?
September 15
October 10
November 15
December 25
A state of equilibrium where both sides of the design are equal.
asymmetrical design
symmetrical design
composition
form
The portion of a design engaged by objects. An area occupied by flowers, foliage, or other objects within a floral design.
positive space
negative space
accent
focal point
The organization of components into a harmonious whole resulting in a cohesive relationship of all parts defines _________.
balance
theme
harmony
Florist wire is sold by gauge. A thin, light wire would be what number gauge?
1
12
22
28
The secondary colors consist of:
green, orange, violet
Violet, blue, red
yellow, red, blue
green, yellow, blue
Fresh flowers should be stored in a floral cooler at 34-38 degrees F with 80-90% relative humidity.
True
False
A purlin in greenhouse construction is used for what purpose?
Frame components spanning the space between the eave and the ridge.
A panel attached to the greenhouse that permits opening for ventilation.
A component of the greenhouse frame running the length of the greenhouse just below the roof covering that connects trusses together.
A component of the greenhouse frame spanning the width of the greenhouse that is welded or bolted together.
The essential ingredients for photosynthesis to take place in the plant is:
Water, oxygen, carbon, light
Water, carbon dioxide, chlorophyll, light
Carbon dioxide, glucose, chlorophyll, light
Oxygen, light, hydrogen, glucose
Of the following nutrient list which one includes only micronutrients?
Zinc, copper, sulfur, phosphorus, boron, calcium, and chlorine
Manganese, zinc, potassium, calcium, copper, iron, and chlorine
Iron, nitrogen, sulfur, magnesium, molybdenum, boron, and manganese
Boron, zinc, copper, molybdenum, iron, manganese, and chlorine
Applying too much nitrogen to plants can cause adverse effects on plant growth. Of the following four items which is not a plant’s response to excessive nitrogen:
Weaken the stem because of long and soft growth
Lower the plants resistance to disease
Yellow or light green leaves on the plant
Lower the quality of the fruit of the plant causing them to be soft to ship
The three basic parts of a seed are:
Seed coat, endosperm, and embryo
Cotyledons, roots, and seed coat
Endosperm, roots, and embryo
Primer, seed coat, and embryo
In a flower shop which of the following are not considered overhead expenses?
Rent or mortgage payment
Hard goods
Insurance
Utilities (water, gas, electricity)
Auxin is produced in the shoot tips by a plant. The purpose of auxin in the plant is to:
Inhibit lateral branch development
Start the process of flower development
Promote lateral branch development
Encourage seed development
REI to a greenhouse worker means:
Reliant environmental interval
Retractant emergency integration
Reliable environmental information
Restricted entry interval
Which pesticide LD50 number listed below is the most toxic?
LD50 of 5,045
LD50 of 45
LD50 of 545
LD50 of 145
An armature in floral arrangements is used:
To create a framework to hold stems in place
To support a floral design container
To create a system for transporting floral work
To make a flower stem longer
If a species has separate plants with each plant having only male flowers or female flowers, the plant is considered __________________.
complete
dioecious
mmonoecious
perfect
__________________ is a process in which glucose combines with oxygen to produce energy in a form that can be used by plants.
Cohesion
Photosynthesis
Respiration
Transpiration
A pesticide label cautions against dermal contact; this means the poison could enter the body by ______________.
ingesting
inhaling
transfusion
__________________ deficiency appears as a marginal yellowing or scorch on the edges of leaves on the lower portion of the plant.
Calcium
Iron
Nitrogen
Potassium
Photosynthesis primarily occurs within the ______________ inside plant cells.
golgi apparatus
nucleus
vacuole
A plant with a species name macrophylla could be expected to have __________.
small leaves
large leaves
small flowers
large flowers
The __________ are crescent shaped and are responsible for opening the stoma.
lenticels
vascular bundles
receptacles
guard cells
Chrysanthemums typically flower in late summer or fall. Their photoperiod category is considered which of the following:
Day-Neutral Plants
Long-Day Plants
Short-Day Plants
Daily Light Integral Plants
__________ are responsible for cell division and differentiation. They are produced in the roots and transported throughout the plant through the xylem.
Ethylenes
Gibberellins
Auxins
Cytokinins
Many daylily, dahlia, and gladiola varieties are polyploid, which means that they have more than one set of __________.
zygotes
chromosomes
nuclei
scions
The pigment __________ produces orange-yellow flowers.
chlorophyll
anthocyanin
xanthophyll
Which of the following plant characteristics belongs to monocots?
netted leaf veins
scattered vascular bundles
flower parts in multiples of four or five
taproot system
What are four things growing medium provides for plants?
darkness, food, nutrients, oxygen
carbon dioxide, disease resistance, sugars, water
nutrients, oxygen, support, water
vitamins, organic matter, support, water
Most essential elements for plant growth are available to most plants when the soil pH is between _____.
3.0 to 5.5
5.5 and 7.0
7.0 to 10.5
10.5 to 12.0
What is a miniature arachnid that sucks sap from plants?
aphid
beetle
mite
Nematode
Poinsettias are very susceptible to root rot diseases caused by Pythium, Rhizoctonia, and Thielaviopsis fungi. How can these disease problems be reduced?
Apply fungicides when appropriate and adhere to proper watering.
Introduce beneficial microorganisms to the greenhouse environment.
Provide cooler day temperatures and warmer night temperatures.
Use varieties genetically engineered to be resistant to root rot.
How are chrysanthemums classified?
by response group, height, and flower form
by response group, speed of rooting, and flower texture
by root growth, height, and flower color
by root length, leaf size, and flower form
Why are Easter lilies a relatively difficult crop to grow?
Easter falls on a different date each year.
They are extremely sensitive to dry medium.
They are short-day plants grown in the spring.
They have so many pest and disease problems.
What is the best explanation why bedding plant seeds are sown in rows?
to ensure that developing seedlings have good light exposure
to keep different plant varieties from becoming intermingled
to maintain an organized, attractive seed germination room
to reduce the possible spread of disease across an entire flat
What are small plants grown in small amounts of medium in divided trays?
cormels
explants
liners
plugs
In pricing retail items, it is important to include additional hard good costs, which would include:
The floral foam and vase used to construct the arrangement
The flowers used to make the design
The filler used to complete the design
The gas used in the delivery vehicle
Fresh goods used to create a retail floral design are typically marked up from wholesale pricing at the following rate:
10%
200%
50%
500%
As the wholesale price of fresh flowers increased due to supply issues, the resulting price affect was seen by consumers:
The price of delivery was decreased
The price of add-on purchased increased
The availability of flowers increased
The retail price of flowers increased
Which of the following floral products is a seasonal design specifically representing the fall harvest season?
An evergreen wreath with colorful ornaments
A blooming spring bulb in a vase
A summer bouquet of sunflowers
A cornucopia (horn of plenty) filled with flowers, fruit, and vegetables
How could a florist or garden shop offer products that promote a sustainable and environmentally conscientious perspective?
Offer organically grown plants
Sell organic fertilizers
Market seasonal and local products
All of the above
In response to supply issues for fresh flowers from South America, the following result was by floral retailers in the wholesale cost of fresh goods:
The price of hard goods decreased
The price of flowers increased
The price of flowers decreased
The shipping costs decreased
Which of the following products would be the best choice of tools / materials to adhere fresh flowers in constructing a wristlet corsage:
Hot Glue
Cold Glue
Wire
Braiding
Which life stage is most damaging to ornamental crops from the lepidoptera order of insects?
Adult
Larvae
Nymph
Egg
If a plant is showing a yellowing in the leaves, it is most likely deficient in the nutrient:
Phosphorus
Potassium
Zinc
Nitrogen
When removing thorns from roses, it is important to avoid tearing the outer layer, or bark, which would damage the plants:
Xylem and phloem
Roots
Petals
Pith
