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1

Which of the following is NOT true about wounding of cuttings?
a. Wounding is done to expose more of the cambium layer

b. Wounding can be accomplished in a number of ways including scraping the base of the cutting with a knife

c. Wounding is recommended for all cuttings and produces quicker rooting and better uniformity

d. After wounding, treatment with a rooting hormone may facilitate rooting

c. Wounding is recommended for all cuttings and produces quicker rooting and better uniformity

2

Except for very large plants, containerized, landscape-sized nursery plants are sold in containers that are measured by the:
a. Gallon
b. Ounce
c. Inch
d. Height

a. Gallon

3

Which is most likely NOT a benefit from using mulch?
a. Reduced disease
b. Reduced insects
c. Reduced water loss from the soil
d. Moderated soil temperatures

b. Reduced insects

4

Plants sold in the landscape trade are sold by ____ name.
a. Botanical
b. Family
c. Order and genus
d. Order and family

a. Botanical

5

Plants which evolve and grow naturally in an area are termed _____ plants.
a. Exotic
b. Specimen
c. Accent
d. Native

d. Native

6

A plant having a hardiness zone rating of 6 would be expected to survive the winter in which of the
following zones?

a. Zone A
b. Zone B
c. Zone 5
d. Zone 7

d. Zone 7

7

 Which of the following is NOT a disease of landscape plants?
a. Pythium
b. Phytophthora
c. Rust
d. Rostellum

d. Rostellum

8

What is the recommended pH range for azaleas?
a. 4.5-5.5
b. 6.0-6.5
c. 6.5-7.0
d. 7.0-7.5

a. 4.5-5.5

9

Which of the following is the best definition of "auxin"?
a. A naturally occurring plant hormone which promotes plant growth
b. A chemical used as a plant growth retardant
c. The capital of Texas and home of the USDA .
d. A naturally occurring plant chemical produced to deter disease organisms

a. A naturally occurring plant hormone which promotes plant growth

10

Which of the following plants has been reported in recent studies to change sex as it reaches maturity?

a. Ginko
b. Sweet Gum
c. Black Gum
d. None of the above

d. None of the above

11

A plant that produces flowers that have either stamens or pistils, but not both on the same plant is called:
a. Staminate
b. Dioecious
c. Angiosperm
d. Monecious

b. Dioecious

12

The halves or thick portions of a seed that contain the tissue used as food by the seedling in its early
growth is the:

 a. Cotyledon
b. Gymnosperm
c. Monoecious
d. Dioecious storage tissue

 

 a. Cotyledon

 

13

Trees that produce naked seeds not enclosed in ovaries such as pines and spruces are:

a. Angiosperms
b. Thallophytes
c. Gymnosperms
d. Evergreens

c. Gymnosperms

14

 In landscaping terms, if the mower blade is set too low and the turf is not level, the mower may ______
the turf in spots.

a. Scalp
b. Aerate
c. Slice
d. Scorch

a. Scalp

15

Plants tend to grow towards light sources. This is known as:

a. Photosynthesis
b. Transpiration
c. Respiration
d. Phototropism

d. Phototropism

16

The viability of a group of seeds is measured by:

a. The number of seeds per pound
b. Maturity of the seeds
c. The germination percentage
d. Permeability of the seeds

c. The germination percentage

17

The analysis of fertilizer is guaranteed by the manufacturer and regulated by the:

a. IRS
b. USDA
c. American Nursery and Landscape Association
d. Extension Service

 

b. USDA

 

18

 A soil test is NOT normally used to determine the application rate for which of the following?

a. Nitrogen
b. Phosphorus
0. Potassium
d. Magnesium

a. Nitrogen

19

 The tissue in plants through which food is translocated is (are) the:

a. Xylem
b. Cortex
c. Chloroplasts
d. Phloem

d. Phloem

20

A landscaper has to decide whether to put in a groundcover instead of turfgrass on a site with the
following characteristics. Which characteristic is the most important factor in making this decision?

a. The landscape area has a 25% slope

b. The soil has only 3 inches of topsoil

c. The site is in full sun

d. The site faces East

a. The landscape area has a 25% slope

21

When taking a soil sample, be sure to take cores at least inches deep,
a. 2
b. 3
c. 6
d. 14

c. 6

22

 Which nutrient is needed in the greatest amount by most plants?

a. Potassium
b. Magnesium
c. Phosphorus
d. Nitrogen

d. Nitrogen

23

Which of the following is NOT a rule-of-thumb traditionally followed by landscapers?

a. Shrubs should be planted about 6-12” from the foundation
b. Home walkways should be wide enough for 2 people to walk side by side
c. Shrubs should be no closer that 2.5-3 feet to the home foundation
d. Landscape plants should be dry at night when possible

a. Shrubs should be planted about 6-12” from the foundation

24

A landscaper says that the soil on a home development site will not perk. What does that mean?

a. lt will not crack in very cold weather
b. Water does not pass through the soil at an acceptable rate
c. The soil particles do not form proper aggregates
d. The soil does not have proper form to resist slippage and cracking

 

b. Water does not pass through the soil at an acceptable rate

 

25

One of the most serious diseases of ornamental crabapples is:

a. Brown patch
b. Wilt
c. Chlorosis
d. Scab

d. Scab