Unit 3 careers and greenhouse test

Why is field soil unsuited for greenhouse plants?

• It may contain weeds seeds.

• Not enough aeration, drainage or water holding capacity

• It may harbor diseases or fungi.

• All of the above

Plants short of __________ may have leaves which appear to have a yellow streak.

• Calcium

• Boron

• Iron

• Copper

What is the best first step to finding a job?

• Buy a newspaper

• Make a list of potential jobs

• Search the internet jobs

• Talk to friends and family

Which of these greenhouse materials is the most economical and longest-lasting framing material?

• Aluminum

• Wood

• Steel

How is it possible to control the height of floral plants?

• Through genetics, using shorter cultivars

• Through production practices such as light, container size, fertilization, etc.

• Through chemical growth retardants

• All of the above

These soft bodied insects are sometimes called plant lice.

• Aphid

• Cabbage looper

• Fungus Gnats

• Shore Flies

Which words are very important in work experience descriptions?

A. Action verbs

B. Adjectives

C. Personal pronouns

D. Prepositions

• Action Verbs

• Adjectives

• Personal pronouns

• Prepositions

How often are growers advised to inspect plants in all sections of the greenhouse?

• Daily

• Weekly

• Monthly

• At the beginning of the season

Which of these three fertilizer elements is especially needed by poinsettias?

A. Nitrogen

B. Phosphorus

C. Potassium

• Nitrogen

• Phosphorus

• Potassium

Which of these mainly comes from Germany, Canada and Ireland and is the highest quality type of peat for use in a growing medium?

• Humus or muck

• Hypnaceous moss

• Reed and sedge peats

• Sphagnum moss