Floriculture Exam National 1993 Modified 2004

Plants are used in the interior of a home decorated in primary colors and hard edged furniture to:
1. Add balance to the room
2. Bring the outside into the home
3. Add softness and detail
4. Add contrast in color of the home
A plant maintains a healthy heat and moisture balance through a process called:
1. Photosynthesis
2. Respiration
3. Hybridization
4. Transpiration
A flower bed that includes maroon snapdragons, rose colored nicotiana and pale pink dianthus would be considered a________________color scheme.
1. Complimentary
2. Analogous
3. Monochromatic
4. Polychromatic
Hook wiring is the most appropriate technique for use with:
1. Roses
2. Snapdragons
3. Chrysanthemums
4. Carnations
Which of the following are hermaphroditic?
1. Sawflies
2. Beetles
3. Slugs
4. Mealy bugs
A temperature of 16 degrees centigrade is equal to _ degrees fahrenheit.
1. 16
2. 60
3. 80
4. 35
When a crop is grown at a night temperature of 50 degrees F, it is referred to as:
1. A cool season crop
2. A 59 degree greenhouse crop
3. A 50 day greenhouse crop
4. A 50 day bloomer
Oedema in plants is usually caused by:
1. Too much heat around the plant
2. An insect called Oedem
3. Overwatering
4. To short a growing season
Which flower blooms naturally throughout the summer to add sparkle and light to a flower garden?
1. Mums
2. Marigolds
3. Pansy
4. All the above
Sugars and oxygen are produced in plants by the:
1. Interaction of light energy, carbon dioxide, and water with chlorophyll
2. Light intensity and rising temperatures
3. Interaction of light energy, CO and soil nutrients
4. Interaction of Chlorophyll with soil nutrients and water
When new growth on a plant is weak and spindly with large gaps between the leaves, the plant is most likely suffering from a lack of:
1. Nitrogen
2. Water
3. Light
4. Phosphorus
Which tiny, brownish yellow, winged insects causes flecked or silver white streaking and stippling on foliage and flowers?
1. Mites
2. Thrips
3. Slugs
4. Mealy bugs
Pythium is a fungus that causes:
1. Leaf scorch
2. Flower blasting
3. Stem discoloration
4. Root rot
If a customer selects an item marked $28.50 which is a "Special" marked 10 percent off, and there is a 5 percent sales tax, the customer should be charged:
1. $29.93
2. $24.50
3. $25.65
4. $26.93
Which of the following is a sun-loving flower?
1. Begonia
2. Impatiens
3. Marigold
4. All the above
Increasing and maintaining the C02 level to 1200 ppm around a chrysanthemum plant will:
1. Decrease foliage development
2. ncrease flower size and quality
3. Stimulate root growth
4. Cause the flower color to change
Which of the following insects feeds by piercing and sucking?
1. Praying Mantis
2. Aphids
3. Grass hoppers
4. Lady Bug
Air layered plants are removed from the parent plant:
1. When the roots are six inches long
2. When the plants are sold
3. Immediately after layering
4. As soon as the roots are developed
Which of the following plants if sometimes used as a cut flower?
1. Ageratum
2. Clover
3. Zinnia
4. Henbit
Petunias belong to which family?
1. Magnoliaceae
2. Liliaceae
3. Solanaceae
4. Compositae
Jointed stems of leafless plants are called:
1. Phyllocades
2. Pathogens
3. Gymnosperms
4. Collars
Young Seedlings that rot at ground level and fall over are affected by:
1. Mosaic
2. Aster Yellows
3. Damping off
4. Botrytis blight
Transpiration is important to the plant because it:
1. Provides turgidity for the plant
2. Stabilizes leaf temperatures
3. Feeds the leaf and stimulates growth
4. Carries water to the plant through the phloem cells of the plant
It is best to divide late summer or fall blooming perennials in the:
1. Fall
2. Late Summer
3. Early Spring
4. Summer
Potassium contributes to which of the following plant growth habits?
1. Stem strength and disease resistance
2. Bloom and root growth
3. Green color development of the plant
4. None of the above
Which of the following is not a perennial?
1. Sneezeweed
2. Gypsophila
3. Gas plant
4. Salvia
Which of the following is not a member of the Dianthus family?
1. Sweet Williams
2. Carnation
3. Sweet Alyssum
4. China Pink
Propagation schedules for bedding plants (anywhere is the U.S.) are based on:
1. Sales period just after the last spring frost
2. The length of growing period of the bedding plant
3. The variety and specie of bedding plant to be grown
4. Both A and B
Insects can be lured into traps through the use of:
1. Synthetic pheromones
2. Pathogens
3. Sticky tapes
4. Insecticides
The genus of Rubber Plant is:
1. Rubiaceae
2. Peperomia
3. Sandersii
4. Ficus
Aluminum sulfate, when applied to hydrangeas will cause the:
1. Plant to increase its foliar growth
2. Blooms to turn pink
3. Plant to double the number of blooming stalks
4. Blooms to turn blue
Which cut flower will curl up at the tips in just 1 – 3 hours if laid sideways?
1. Snapdragons
2. Glads.
3. Mums
4. Tulips
Which plant is commonly forced?
1. Daffodils
2. Daffodils
3. Hyacinths
4. All of the above
Which of the following plants requires four or more hours of direct sunlight daily?
1. Chinese evergreen
2. Bird's nest fern
3. Dieffenbachia
4. Poinsettia
Like color,________ can be used to create spatial illusions in a perennial garden.
1. Price of plants
2. Textural appearance of plants
3. Growth rate of plants
4. Adaptability of plants
During plant respiration:
1. Sugars are combined with oxygen and stored in the plant leaves
2. Oxygen is combined with carbon dioxide to create gases that are expelled through the stomata
3. Sugars are combined with oxygen to release energy
4. Oxygen is consumed by the plant to add turgidity to the plant stems
A pathogen is:
1. The specie for Hedra
2. An organism capable of causing a disease
3. A compound applied to stimulate plant growth
4. An insecticide used to control thrips
Which of the following would best establish lines in an arrangement of flowers?
1. Babys Breath
2. Leatherleaf
3. Rose
4. Gladiola
Oozing of sap from a plant is a sign of:
1. Photosynthesis
2. Scarification
3. Chlorosis
4. Gummosis
Which of the following is not a beneficial insect?
1. Cinch Bug
2. Lacewing
3. Assasin bug
4. Tachinid Fly
To cause plants in the greenhouse to develop and grow more slowly, one should:
1. Decrease the greenhouse temperature
2. ncrease the amount of peat in the soil in which the crops grow
3. Decrease the intensity of light around the crops
4. Fumigate the greenhouse once a week
When planning a perennial flower garden, a consideration that is often overlooked by those planning the garden is:
1. Spread of mature plants
2. Color combination
3. Temperature requirement of perennials
4. Texture of plant foliage
Which of the following flowers is the most heat tolerant?
1. Dahlia
2. Sweat Pea
3. Nasturtium
4. Stock
Which of the following is not an insect?
1. Cinchbug
2. Mite
3. Silverfish
4. Termite
The recommended optimum pH for annual flowers is between:
1. 7.0 to 7.5
2. 6.5 to 7.5
3. 6.0 to 7.0
4. 6.5 to 7.5
The common name for Syngonium podophyllum is:
1. African Evergreen
2. Wandering Jew
3. Devil's Ivy
4. English Ivy
The leaves of plants manufacture:
1. Starch
2. Protein
3. Sugars
4. Potassium
Which of the following indoor plants should be used to add a bold pattern or form in a room with a solid wall of color and serve as a focal point?
1. Snapdragon
2. Caladium
3. Azalea
4. Weeping fig
A symptom that a plant is experiencing phototropism is that the plant:
1. leaves are turning yellow
2. is reaching for light
3. are developing aerial roots
4. appears to be wilting
One of the drawbacks to using incandescent light for house plants is that it:
1. Produces less heat
2. Produces too much heat
3. Produces too much blue light waves
4. Produces too much light at a given time

Floriculture Exam National 1993 Modified 2004

Quiz