2018 National FFA Floriculture CDE General Knowledge Exam

A circular design does not have ________.

• Balance

• Filler flowers

• A focal point

• Massing flowers

Most fungal diseases grow best in ________.

• Dry, arid air

• Low moisture conditions

• High moisture conditions

• Seasons with drought

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 days are short

• Nights are short and days are long

• Nights and days are short

During respiration, plants ________.

• Use the sun’s energy

• Produce sugars

• Use oxygen

• Form complex compounds

If green plants show a ________ color, this suggests a nitrogen deficiency.

• White

• Yellow

• Dark green

• Purple

________ exists when the terminal bud produces hormones that inhibit or prevent the growth of axillary buds on the same shoot.

• Cell dominance

• Root dominance

• Atypical dominance

• Apical dominance

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

________ seeding is when seeds are sown in a separate place from where the plants will eventually grow to maturity.

• Direct

• Sideways

• Indirect

• Top

________ is used to accentuate the flowers and colors used in a design.

• Harmony

• Unity

• Accent

• Repetition

________ are chemicals used to control snails and slugs.

• Fungicides

• Rodenticides

• Molluscicides

• Nematicides