2020 Floriculture Knowledge Test

Question 1

#6: Which of the following floral styles or periods places emphasis on strong geometrical lines?

Accepted Answer

Art deco style

Question 2

#11: Which of the following is not a plant hormone that can be used as a plant growth regulator?

Accepted Answer

anthocyanin

Question 3

#21: Injecting dilute sulfuric acid into the irrigation system during greenhouse production will___________.

Accepted Answer

decrease the pH of the growing medium

Question 4

Question 27: What is the most important consideration when using pesticides in the greenhouse?

Accepted Answer

read and follow label directions

Question 5

Which of the following is the term given to buds found at the base of the petiole and next to the stem?

Accepted Answer

axillary

Question 6

#13: Which of the following defines a set piece?

Accepted Answer

funeral floral design built in a special shape or emblem of an organization

Question 7

Which pathogen group below is responsible for the greatest amount of loss caused by greenhouse diseases?

Accepted Answer

fungi

Question 8

#23: Florists’ foam is considered to be adequately hydrated when ____________________.

Accepted Answer

air bubbles no longer come out of the foam

Question 9

Which of the following would not be used as a filler when making a flower arrangement?

Accepted Answer

gerbera

Question 10

#34: The overall, three-dimensional, geometric shape or configuration of a floral composition is called _________.

Accepted Answer

form

Question 11

#31: The exclusion of greenhouse pests through the use of insect screening represents which type of control?

Accepted Answer

mechanical

Question 12

The three secondary colors in floral design are:

Accepted Answer

orange, green, purple

Question 13

#19: Which type of flower arrangement is said to have a serpentine or “lazy Z” line?

Accepted Answer

Hogarth

Question 14

On a financial planning sheet, the cost of seeds, cuttings, bulbs, etc. would be examples of which of the following?

Accepted Answer

direct costs

Question 15

#20: Which of the following insects normally is not a problem in greenhouses?

Accepted Answer

grasshopper

Question 16

Which of the following is not a type of basic, curved flower arrangement?

Accepted Answer

pave’

Question 17

Which of the following is the food stored in a seed used to nourish the embryonic plant during germination.

Accepted Answer

endosperm

Question 18

#43: Which of the following plant structures does not occur below the surface of the soil.

Accepted Answer

stolon

Question 19

In commercial greenhouse production, which of the these is not used to regulate plant growth without using chemicals?

Accepted Answer

heat stress

Question 20

Which of the following is commonly used as the base for an evergreen wreath?

Accepted Answer

grapevine wreath

Question 21

#14: In the scientific name Dianthus caryophylus, which of the following does Dianthus represent?

Accepted Answer

genus

Question 22

#17: Which of the following common greenhouse crop pests is not an insect?

Accepted Answer

slug

Question 23

#4: Which of following is an example of an organic fertilizer?

Accepted Answer

alfalfa meal (3-1-2)

Question 24

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

Accepted Answer

malformed new growth with streaking and browning of flower petals

Question 25

The recommended pH range for greenhouse crops produced in a soilless medium is _____________.

Accepted Answer

5.6 to 6.2

Question 26

Which of the following houseplants requires the greatest amount of light in order to remain attractive?

Accepted Answer

croton

Question 27

Which of the following is not a type of triangular flower arrangement?

Accepted Answer

crescent

Question 28

Which of the following is a device/substance used to secure moss to floral foam?

Accepted Answer

greening pin

Question 29

#33: Soil pH is an expression of the concentration of which of the following ions in the soil?

Accepted Answer

hydrogen

Question 30

#12: Which of the following is not an advantage of a (gutter) connected greenhouse over free-standing units?

Accepted Answer

less interior space suitable for plant production

Question 31

#22: In a greenhouse, a solenoid valve is used as ____________________________.

Accepted Answer

an electrically controlled device used to control the flow of water

Question 32

#29: What is a single cell, hair-like extension of a root whose growth is influenced by moisture called?

Accepted Answer

root hair

Question 33

#44: If a complete fertilizer is recommended for a greenhouse crop, which of the following should not be used?

Accepted Answer

15-0-15

Question 34

#5: Compound, simple and tip are types of which of the following types of vegetative plant propagation?

Accepted Answer

layering

Question 35

#9: Which of the following is not a factor normally considered when choosing a site for a greenhouse?

Accepted Answer

crime rate

Question 36

#42: Which of the following growing medium amendments is used primarily to add bulk density to a mix?

Accepted Answer

calcined clay

Question 37

When included in a fertilizer program, which of the following would supply magnesium?

Accepted Answer

Epsom salt

Question 38

Florists’ wire that is 18 gauge is ____________ than 28 gauge florists’ wire.

Accepted Answer

thicker

Question 39

#3: Which of the following is the organelle in which photosynthesis occurs in plants?

Accepted Answer

chloroplast

Question 40

#10: Which of the following wiring methods involves piercing a leaf blade through its central rib?

Accepted Answer

stitch

Question 41

#40: Which of the following describes edema in geraniums?

Accepted Answer

water soaked blisters most often on the underside of leaves

Question 42

Expressed as P205, how many pounds of phosphorus does a 50 pound bag of 20-10-20 contain?

Accepted Answer

5

Question 43

A floral design with a strong sense of which of the following shows organization of elements so they look to be together

Accepted Answer

unity

Question 44

Which of the following fungal diseases is not soil-borne?

Accepted Answer

Botrytis

Question 45

#8: In a Dutch style greenhouse, what is the name of the greenhouse part where the roof attaches to the sidewall?

Accepted Answer

eave

Question 46

Which of the following greenhouse covering materials would have the lowest light transmission?

Accepted Answer

double-layer polyethylene plastic

Question 47

#16: Which of the following growing medium amendments is considered to be biologically inert (sterile)?

Accepted Answer

perlite

Question 48

#46: Which of the following would not be used in a boutonniere?

Accepted Answer

flowers, filler, bow

Question 49

#36: Which of the following is not a signal word on the label of a pesticide that indicates its toxicity?

Accepted Answer

HAZARDOUS

Question 50

#15: Which of the following represents a fixed greenhouse cost?

Accepted Answer

depreciation

Question 51

#45: As a method of energy conservation, double-walled glazing materials are effective because they____________.

Accepted Answer

increase the R-value of the greenhouse covering

Question 52

Question 1:

Accepted Answer

nights are long and days are short

Question 53

#24: Which of the following is not a basic shape in floral design?

Accepted Answer

horizontal

Question 54

Which of the following plant growth hormones is responsible for apical dominance in plants?

Accepted Answer

auxin

Question 55

#41: Which of the following color schemes includes the use of two colors equidistant from each other on the color wheel?

Accepted Answer

complimentary

Question 56

#39: Which of the following is lacking in a circular floral design?

Accepted Answer

focal point

Question 57

Which type of pesticide has intense concentrations of specific hormones that act by adversely affecting pest development

Accepted Answer

insect growth regulators

Question 58

The repeated combination of line, form, color, texture, and/or space in a floral arrangement is known as _________.

Accepted Answer

pattern

Question 59

#7: Which of the following methods of propagation includes an actively growing meristem?

Accepted Answer

stem tip cutting

Question 60

#47: Which of the following represent the components of the stamen of a flower?

Accepted Answer

filament and anther

Question 61

An insect that can spread a disease (e.g. a virus) from one plant to another is known as a (an)__________.

Accepted Answer

vector

Question 62

Which of the following floriculture crops has the highest wholesale dollar value in Missouri?

Accepted Answer

bedding plants

Question 63

#37: Movement of water and dissolved minerals through the plant is defined by which of the following terms?

Accepted Answer

translocation

Question 64

Question 38: Which of the following in not a basic rule of floral design?

Accepted Answer

Place dark flowers toward the top of an arrangement.

2020 Floriculture Knowledge Test

Questions 74

2020 Floriculture Knowledge Test

Questions 74