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What is a structure enclosed by glass or plastic that allows light transmission for the growth of plants?
- headhouse
- greenhouse
- outhouse
- hoophouse
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| Answer: b |
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What is a popular framework because it is long lasting and considered to be low maintenance?
- wood
- aluminum and aluminum/steel combination
- galvanized steel
- angle iron
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| Answer: b |
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The covering of a greenhouse is referred to as ____________________.
- poly
- polyethylene
- glass
- glazing
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| Answer: d |
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A structure used as a storage area, a potting area, an office, and/or a shipping area is known as a _______________________.
- headhouse
- greenhouse
- outhouse
- hoophouse
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| Answer: a |
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What greenhouse design allows the roof to be opened and closed?
- lean –to
- even-span
- retractable roof
- hoop house
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| Answer: c |
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What would be the best greenhouse structure if large interior spaces were desired?
a)even-span greenhouse
b)lean-to greehouse
c)ridge-and-furrow greenhouse
d)shadehouse
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| Answer: c |
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What is a common even-span greenhouse that uses arching pipes for the framework?
a)headhouse
b)hoophouse
c)plumbhouse
d)shadehouse
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| Answer: b |
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What is the best reason why a retractable-roof greenhouse would be better for bedding plant production than potted flowering plant production?
a)Bedding plants are much more disease resistant than potted flowering plants.
b)Bedding plants can be prepared for the elements before they leave the greenhouse.
c)DIF is used in the bedding plant production, but not potted flowering plant production.
d)They grow better than flowering potted plants when given fresh air and natural rainfall.
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| Answer: b |
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What is the main reason why uneven-span greenhouses are rarely built today?
a)Greenhouses today are built on level ground.
b)Plant varieties are growing faster and larger.
c)They are too expensive in today’s economy.
d)Uneven-span greenhouses tend to be small.
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| Answer: a |
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What are two desirable characteristics of the greenhouse framework?
a)It should be able to withstand both extreme heat and cold.
b)It should be inexpensive and require low maintenance.
c)It should be made of aluminum alloy or stainless steel.
d)It should be strong and allow the maximum amount of light.
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| Answer: d |
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Why has fiberglass dropped in popularity among glazing materials?
a)Fiberglass is difficult to cut to size and install.
b)Fiberglass tends to shatter in hailstorms.
c)It costs more than glass or polycarbonates.
d)It discolors and loses light transmission.
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| Answer: d |
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Why is glass considered the best glazing material for crop production?
a)It has excellent insulation properties.
b)It has the highest light transmission.
c)It is durable and resists hail damage.
d)It is lighter than other glazing materials.
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| Answer: b |
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What is the chief advantage of rolling benches?
a)They allow for wider aisles.
b)They are very inexpensive.
c)They maximize growing space.
d)Their height is adjustable.
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| Answer: c |
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What glazing material is most often used with a hoophouse?
a)acrylic structured sheets
b)fiberglass structured sheets
c)glass
d)polyethylene
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| Answer: d |
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What is a structure used to protect plants from wind, heat, and light intensity?
a)headhouse
b)hoophouse
c)lean-to greenhouse
d)shadehouse
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| Answer: d |
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What are retail nurseries that have expanded product lines including garden tools, seeds, fertilizers, craft items, and other horticultural products?
a)garden center nursery
b)mail-order nursery
c)nursery-only nursery
d)specialty-crop nursery
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| Answer: a |
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