Download 2010 Written Test

N L CDE
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
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1. Which profession below requires the greatest number of years of schooling?
a. Landscape contractor
c. Landscape designer
b. Landscape Architect
d. Landscape Nurseryman
2. Scientific names of plants generally consist of two words, the first being the Genus and the second
being the _________.
a. Family
c. Species
b. Order
d. Kingdom
3. When selecting a grass for lawn, which grass is suited for Minnesota in Region 1?
a. St. Augustine Grass
c. Carpetgrass
b. Bahiagrass
d. Fescue
4. Which of the following restricts staffing in the landscape industry?
a. Limited exposure to the industry
c. Nontraditional workers overlooked
b. Low-tech industry
d. A, B &C
5. Which part of the stem carries sugars to the root?
a. Leaf
c. Xylem
b. Phloem
d. Margin
6. Which growth hormone stimulates cellular division?
a. Inhibitors
c. Abscisic acid
b. Cytokinins
d. Gibberellins
7. By weight, how much silt and clay do sandy soils contain?
a. More than 40%
c. Less than 20%
b. More than 50%
d. More than 30%
8. The pore space in a soil filled with _____% of water and ______% of air is the ideal ratio.
a. 20, 30
c. 10, 40
b. 40, 10
d. 50, 50
9. Which method would increase aeration in the soil?
a. Add Calcium Sulfate (lime and
c. Pack the soil with a tamping tool.
gypsum) to increase aggregation
b. Adding organic matter to encourage
d. A & B
earthworms.
10. What is the best pH for Rhododendron?
a. 6.0-7.0
c. 6.5-8.0
b. 4.5-6.0
d. 7.0-8.0
11. Soil tests for available nitrogen in lawns are not very meaningful and are generally not performed
because:
a. Nitrogen can move rapidly out of the c. Nitrogen is not important in lawns.
root zone with percolating water.
b. The thatch breaking down adequately d. Nitrogen can be fertilized at the same
provides nitrogen.
rate as the phosphorus.
12. It is more cost effective to correct pH in a soil of:
a. 14
c. 10
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b. 12
d. 4
One hundred pounds of 16-20-35 fertilizer contains ________ pounds of potassium
a. 16
c. 20
b. 14
d. 35
A plant whose young leaves exhibit yellow between the veins while the veins remain green is
suffering from ______ deficiency.
a. Nirtogen
c. Maganese
b. Sulfur
d. Iron
Which plant media improves aeration and originates from volcanic material?
a. Vermiculite
c. Peat moss
b. Perlite
d. Sphagum moss
Which nutrient will the plant absorb if a person applies ammonium sulfate?
a. Potassium
c. Magnesium
b. Phosphorus
d. Nitrogen
Which of the following best describes seed scarification?
a. Removing some of the seed coat by
c. Planting seeds in a nursery flat to a
using a file, sandpaper, or an acid.
depth of 2 times the seed diameter.
b. Placing seed capsules in the sun for
d. Thinning newly-plant seedlings.
natural curing.
A tool used to make holes in media for transplanting seedlings of cuttings is a:
a. Dibble
c. Dowel
b. Planting bar
d. Trowel
Which of the following is NOT a form of asexual propagation?
a. Grafting
c. Issue Culture
b. Seed
d. Division
An example of a plant propagated with bulb would be the
a. Tulip
c. Shasta Daisy
b. Hosta
d. Black Eyed Susan
In grafting, great care must be used to match which layer of the scion and rootstock?
a. Woody
c. Bark
b. Cambium
d. Outisde
Landscape design that displays same plants and same weight on either side of the doorway would
be considered _______.
a. Proportioned
c. Balanced
b. Unified
d. Simplistic
If a driveway is 25 feet long in reality, how long will the symbol be with a scale
of 1” = 20’?
a. 5 inches
c. 1 1/4 inches
b. 10 inches
d. 2 1/2 inches
If not seriously root bound, container-grown plants transplant easily. Pot-bound plants should
a. Be thrown away.
c. Be transplanted without disturbing the
roots.
b. Have the roots pulled out of the root ball d. Be transplanted to the next largest pot.
and placed into the soil.
Which light tolerance will the clematis require?
a. Partial Sun
c. Full Sun
b. Semi-Shade
d. Full Shade
Which plant would be best used as a focal point during the winter?
a. Japanese yew
c. Mugo Pine
b. Juniper
d. Red twigged Dogwood
____ 27. Which shrub most resistant to disease and insects
a. Spirea
c. Rohododendron
b. Hardy Rose
d. Honeysuckle
____ 28. Irregular shaped holes with smooth edges appear in Hosta leaves. Some of the leaves are missing.
The plants should be treated for:
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a. Aphids
c. Ladybird Beetles
b. Snails and slugs
d. Leafhoppers
The main reason for plant loss in the landscape during the first year is:
a. Cold weather
c. Lack of fertilizer
b. Insect attacks
d. Insufficient Water
Which shrub requires acidic soil?
a. Black Eyed Susan
c. Azalea
b. Potentilla
d. Forsythia
In _________, old branches that are large and unproductive are removed.
a. Renewal pruning
c. Topiary Pruning
b. Thinning
d. Dead heading
Which type of plant production system removes the least roots at harvest:
a. Container Grown
c. Balled and burlapped
b. Bare root
d. Rip and tug
Which plant is the best hedge?
a. Sedum
c. Sweet Alyssum
b. Japanese Yew
d. Snow on the Mountain
Since roots are usually more cold hardy than shoots, winter protection is most concerned with
protecting the top of the plant
a. True
b. False
A method of establishing turf in which a mixture of seed, water, fertilizer and as soil stabilizer is
sprayed onto the soil is called:
a. Aquaseeding
c. Hydroponics
b. Ammonium nitration
d. Hydroseeding
When mowing turf, it is recommended that no more than _______ of the leaf blade be removed at
each cutting
a. One-eighth
c. One-third
b. One-Half
d. Two-thirds
When sodding a lawn with heavy clay soils:
a. You will need to add extra Nitrogen
c. The soil doesn’t need to be rolled
before sodding.
since it is a fine soil.
b. The soil needs to be packed twice to a d. Adding peat will allow better air and
firm bed.
water movement.
The separation of between plantings and cutting a sharp vertical line into the lawn.
a. Mulching
c. Edging
b. Pruning
d. Jump-cutting
Which is a disadvantage of planting potted nursery stock?
a. A short planting season
c. Only shrubs are available
b. Limited stock selection
d. Encircling roots in the pot
____ 40. A landscaping area can be divided into different categories of use: the ________ area, family living
area, and service area.
a. Private
c. Public
b. Aesthetic
d. Xeriscape
N L CDE
Answer Section
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