1995 National Nursery Landscape Exam -- Georgia Agriculture Education Curric

Name:

Multiple Choice

Identify the letter of the choice that best completes the statement or answers the question.

Which of the following is true about ladybug beetles?

a.	They can infest homes during the winter and eat holes in clothing.	c.	They eat aphids.
b.	They often sting humans when provoked.	d.	All the above.

A logical question in response to a request from a customer for a pyracantha is, Do you want:

a.	a red or orange-berried variety?	c.	one that blooms in the spring or fall?
b.	an evergreen or deciduous variety?	d.	the perennial or biennial type?

What is the item shown in Figure 1?

a.	a black fence	c.	a fence to block the view of the construction site
b.	a silt fence	d.	a landscape mulch cloth

The purpose of the item shown in Figure 1 is to:

a.	control erosion	c.	keep out sunlight
b.	keep out predators	d.	reduce weed growth

Generally, most tree roots are found:

a.	within a two foot radius of the trunk	c.	within the dripline
b.	within a four foot radius of the trunk	d.	two feet beyond the dripline

An example of a good green manure crop is:

a.	clover	c.	coleus
b.	ajuga	d.	bermudagrass

As more and more landfills are refusing to take landscape debris, landscapers are beginning to:

a.	burn most of it	c.	compost it on their property
b.	bury it on their own property	d.	scarify the organic materials

What chemical would you recommend to a customer who wanted to control weeds and grass growing between the bricks of a terrace?

a.	2, 4-D	c.	Malathion
b.	a pre-emergence lawn chemical	d.	Roundup

Johnny gathered seeds from a crabapple in the fall of the year, dried them, and stored them in a sealed jar in his desk until he planted them in the spring. He got poor germination. What was the most likely problem?

a.	The seeds were no good -- they should have been collected in the spring.	c.	The seeds did not receive their required light treatment in the desk.
b.	The jar did not allow the seeds to breathe properly and they died.	d.	The seeds did not get their required cooling period.

10.

Which is NOT a recommendation for creating and managing a compost pile?

a.	keep it moist	c.	shred leaves before adding them to the pile if possible
b.	turn the material frequently	d.	it is best to compost leaves in one pile and grass clippings in a separate pile

11.

The items in Figure 2 represent the relative size of mineral soil particles. Which of the following has them correctly identified?

a.	1 is sand, 2 is clay, 3 is silt	c.	1 is sand, 2 is silt, 3 is clay
b.	1 is sand, 2 is organic matter, 3 is silt	d.	1 is silt, 2 is clay, 3 is sand

12.

The commonly used lawngrasses in the U.S. can be divided into:

a.	perennials or annuals	c.	grasses and broadleaved types
b.	warm season or cool season types	d.	spring or summer grasses

13.

Which of these government organizations does NOT regulate the nursery/landscape industry?

a.	OSHA	c.	USDA
b.	EPA	d.	FEMA

14.

When Alan finished sharpening his rotary mower blade on the power grinder he noticed that it had blue spots in several places along the cutting edge. What was wrong?

a.	Nothing, metal distortion is common in mower blades.	c.	The blue spots indicate remaining dull places on the blade.
b.	The blue spots indicate that the blade was made of inferior metal.	d.	The blade was overheated, affecting its temper and reducing its durability.

15.

Which fertilizer listed below has the highest nitrogen content?

a.	5-10-15	c.	8-12-12
b.	10-10-10	d.	4-0-0

16.

Which of the chemicals listed below would be best to use to control aphids?

a.	Benlate	c.	B-Nine
b.	Malathion	d.	Daconil

17.

Which of the following are all evergreen?

a.	Baldcypress, Canadian Hemlock, Mugo Pine	c.	Chinese Elm, Bayberry, Russian Olive
b.	Austrian Pine, Flowering Quince, Cherry Laurel	d.	Cherry Laurel, Chinese Holly, Japanese Yew

18.

What is the power tool shown in Figure 3?

a.	sod cutter	c.	reel mower
b.	rotary mower	d.	vertical mower

19.

Which of these is NOT a primary or secondary plant nutrient?

a.	N	c.	Ca
b.	K	d.	Mo

20.

Which factor below has the greatest influence on the rooting of woody cuttings?

a.	air temperature around the cuttings	c.	nutrient content of the rooting medium
b.	temperature of the rooting medium	d.	air circulation around the cuttings

21.

Generally, mulch layers around landscape plants should not be over ___ inches deep after settling.

a.	1	c.	7
b.	3	d.	10

22.

If a turfgrass is mowed shorter than the recommended height, it causes:

a.	the rooting depth to increase	c.	no change in the rooting depth
b.	the rooting depth to decrease	d.	general root thinning

23.

Which of the following is a desirable makeup of potting soil?

a.	50% solid matter, 25% water, 25% air	c.	80% solid matter, 10% water, 10% air
b.	90% solid matter, 10% water	d.	90% solid matter, 10% air

24.

Which of the choices has the three areas of the landscape shown in Figure 4 labeled properly?

a.	1 entrance, 2 play, 3 utilitarian	c.	1 service, 2 private, 3 utilitarian
b.	1 public, 2 private, 3 service	d.	1 public, 2 domestic, 3 service

25.

Mowing the lawn in a different direction each time helps reduce the chance of:

a.	soil compaction and undesirable grain set	c.	causing excess wear on one area of the mower
b.	spreading disease and insects	d.	excessive wear on one part of the mower blade

26.

Recommended service intervals for jobs such as changing the oil in motorized landscape equipment is usually measured in _____ of operation.

a.	miles	c.	days
b.	hours	d.	months

27.

When propagating woody cuttings, a growth-promoting substance is sometimes applied to the base of the cuttings in order to:

a.	harden off the cuttings	c.	speed the healing process
b.	conserve moisture in the cuttings	d.	speed the development of roots on the cutting

28.

Ilex, Junipers, and Common Boxwood are usually propagated from:

a.	stem tip cuttings	c.	tissue culture
b.	apomixis	d.	leaf-bud cuttings

29.

When a plant is "flagging", it means that it is:

a.	severely wilted	c.	showing signs of nutrient deficiency
b.	slightly wilted	d.	showing wind damage

30.

Small engines for landscape equipment come in:

a.	2 cycle and 4 cycle	c.	4 cycle and 5 cycle
b.	2 cycle and 3 cycle	d.	4 cycle and 6 cycle

31.

Why is the pruning style shown in Figure 5 not recommended for a hedge?

a.	Sunlight cannot effectively reach leaves at the bottom and the plants become leggy.	c.	The top of the hedge deflects water and the hedge is often drought stressed.
b.	It is very difficult to prune a hedge to this style because of the awkward body position necessary.	d.	The top of the hedge gets overheated in summer because rising heat is trapped by the shape of the hedge.

32.

Pollination occurs when:

a.	a sperm and egg unite	c.	a pollen grain touches the stigma
b.	pollen is released from the flower	d.	a pollen grain touches the ovary

33.

A postemergence herbicide is applied:

a.	to broadleaf weeds only	c.	before the weed seeds germinate
b.	after the weeds have germinated and emerged from the soil	d.	just as the weed seeds are germinating

34.

The loss of water from plants through the leaves in the form of water vapor is called:

a.	photosynthesis	c.	transpiration
b.	respiration	d.	translocation

35.

If you were planting a bed at the foundation of a house to include all the following plants, which plant would you put at the front edge of the bed?

a.	Carpet Bugle	c.	Ilex crenata
b.	Daylily	d.	Taxus cuspidata

36.

Which of the plants listed has the coarsest texture?

a.	Taxus	c.	Baldcypress
b.	Canadian Hemlock	d.	Oregon Grape Mahonia

37.

Which plant is a vine?

a.	Ficus benjamina	c.	Ilex cornuta
b.	Pinus strobus	d.	Lonicera japonica

38.

A system of pest control which incorporates biological, mechanical, cultural, chemical and genetic management techniques is:

a.	Biotechnology	c.	Systematic Pesticide Reduction
b.	Integrated Pest Management	d.	Biotechnical Pest Management

39.

The structure in Figure 6 is called a:

a.	hot bed/cold frame	c.	seed germination unit
b.	irrigation bed	d.	right-angle greenhouse

40.

What item is shown in Figure 6, item 1?

a.	an irrigation line	c.	soil supporter
b.	a heating cable	d.	cooling fins

41.

Large trees used to frame a one story, ranch-style home can make the home seem ____ than it really is.

a.	smaller	c.	wider
b.	closer to the viewer	d.	larger

42.

Red, Sugar and Norway Maples are generally pruned to have:

a.	one leader	c.	co-dominate leaders
b.	two leaders	d.	no distinguishable leader

43.

A condition in which the leaves are yellowing between the veins but the veins remain dark green is:

a.	nitrogen deficiency	c.	iron chlorosis
b.	botrytis	d.	symptomatic of a virus infection

44.

Which of the following temperature ranges is used to define Climatic Zone 5?

a.	-20 to -10 degrees	c.	-20 to 95 degrees
b.	40 to 50 degrees	d.	-10 to 100 degrees

45.

A shade tolerant plant is:

a.	Juniper	c.	Azalea
b.	Bermudagrass	d.	Hybrid Tea Rose

46.

To keep the humidity high for rooting woody stem tip cuttings, ___ is usually used.

a.	a mist system	c.	an underground irrigation system
b.	drip irrigation	d.	overhead irrigation system

47.

The neutral point on the pH scale is:

a.	5.0	c.	7.0
b.	6.0	d.	14.0

48.

What disorder of turfgrass is illustrated in Figure 7?

a.	Fairy ring	c.	Rosy ring
b.	Slime mold	d.	This is not a problem in turf

49.

A soil that is loose and has good structure and texture is described as:

a.	flaccid	c.	friable
b.	flexible	d.	dense

50.

Botanical names are written in:

a.	German	c.	Latin
b.	English	d.	Spanish