Questions with Correct Answers
One reason modern horticulture fabrics used in landscaping are said to be better than
black polyethylene film is they: - Answer-Allow exchange of gasses between soil and air
A privacy fence should be at least ____ feet high if the purpose is to screen the view of
neighbors at ground level or others walking near the property at the same elevation. -
Answer-8
Which of the following watering systems can reduce water usage by as much as 80%. -
Answer-Drip or Trickle irrigation
Clay soils require: - Answer-A longer time for absorption of irrigation water than sandy
soils
Which would not be part of a lawn irrigation system? - Answer-Differential valve
Which of the following is microscopic? - Answer-Nematodes
A pre-emergence herbicide is applied - Answer-Before the weed seeds germinate
When using heat to sterilize/pasteurize soil, the soil should be heated to: - Answer-180
F for 30 minutes
A plant pathologist studies plant: - Answer-Diseases
Scientific names generally consist of two words, the first being the genus and the
second being the: - Answer-Specific epitaph
Though not recommended, if 2-cycle engine fuel is actually used in a 4-cycle engine, -
Answer-The engine will likely smoke a lot, but it will run
A shade loving border plant is: - Answer-Impatiens
The optimum germination temperature for most bedding plant seeds is: - Answer-75 to
85 F
Which of the following is true about lady bug beetles? They: - Answer-Eat aphids
An important step in properly composting landscape refuse is to: - Answer-Thoroughly
moisten each layer of material
, When Alan finished sharpening his rotary mower blade, he noticed that his mower
vibrated and shook so bad that he could hardly control it. What was wrong? - Answer-
The blade was out of balance
Water availability, temperature extremes, and __________ should be considered when
selecting trees for the landscape. - Answer-Soil type
When installing a landscape, which step (from the following list) should be completed
FIRST: - Answer-Install the drainage system
Which of the following groups contains only deciduous plants? - Answer-Cedar Elm,
Carya illinoinensis, Red Oak
Soil around the foundation of a house is often more alkaline than surrounding soil due to
which of the following? - Answer-Leaching from the masonry mortar on the home and
the masonry debris from construction
Liriope and Ajuga are generally classified as: - Answer-Groundcovers
A large perennial that provides a general effect of mass and grows in excess of five feet
is: - Answer-Pampas grass
Which of the following describes plants that lose their leaves during the winter? -
Answer-Deciduous
The viability of a group of seeds is measured by: - Answer-The germination percentage
An "x" in the botanical name of a plant means the plant: - Answer-Is a true hybrid
The use of plant materials and landscaping techniques to conserve soil moisture and to
reduce water usage is: - Answer-Xeriscaping
Soil texture refers to: - Answer-The size of soil particles
Plants usually so not grow well in poorly drained soils because: - Answer-Oxygen
content is low in poorly drained soils
Underground stems with scale-like fleshy leaves (leek and onion) are called: - Answer-
Bulbs
Light energy, carbon dioxide, and water enter into the process of photosynthesis,
through which: - Answer-Carbohydrates are formed
Which of the following definitions best describes "auxin?" - Answer-A naturally occurring
plant hormone that promotes plant growth