Floriculture Exam #2

A florists’ wire with a gauge of 18 will be ________ than florists’ wire with a gauge of 28.

• shorter

• thinner

• thicker

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?

• danger

• hazardous

• caution

• warning

Grasshoppers begin their life cycle as an egg, transition into a larva, and change into an adult. This would be classified as _______________ metamorphosis.

• complete

• incomplete

• holometabolous

• ametabolous

The recommended daytime temperature range for indoor plants is _________.

• 60-70° F

• 55-80° F

• 60-85° F

• 50-85° F

 

During respiration, plants __________.

• use the sun’s energy

• produce sugars

• use oxygen

• form complex compounds

 

Mums are considered a short-day crop; that is, the plant sets flower buds and blooms only when____________.

• Nights and days are long

• Nights are long and the days are short

• Nights are short and the days are long

• Nights and days are short

In greenhouse plant growing a zero DIF will result in:*

• Shorter plants compared to plants grown with a positive DIF

• Taller plants compared to plants grown with a positive DIF

• A decrease in how much light a plant receives each day

• A wide range between daytime and nighttime temperatures in a greenhouse

Floral foam is sufficiently soaked when _________.

• It changes to a darker shade of green

• The foam floats back to the top of the water

• Particles of the foam begin to float in the water

• Air bubbles are no longer coming out of the foam

Which glazing material for greenhouses allows the lowest light transmittance?

• fiberglass

• polyethylene

• double-layer polyethylene

• polycarbonate

Floral foam should be hydrated before use in a flower arrangement. Which of these methods is the best for accomplishing the soaking of the foam?

• The foam is forced by weight to be totally immersed in the water

• The foam is pushed down into the water by hand

• The foam is allowed to float on the surface until it is soaked

• The foam is placed in the bottom of a water reservoir one-half of the height of the block of foam