1985 National Nursery Landscape Exam

Name:

Multiple Choice

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

A dormant plant that consists of an enlarged stem with a basal plate, small buds, and papery leaf bases is a:

a.	rhizome	c.	bulb
b.	tuber	d.	corm

An example of a tree with a bipinnately compound leaves is:

a.	Green Ash	c.	Kentucky Coffeetree
b.	Fern-Leaved Beech	d.	Honey locust

A plant species that has both male and female flowers on the same plant is called:

a.	epiphytic	c.	monoecious
b.	dioecious	d.	xerophytic

A plant species that has flowers containing both male and female parts is called:

a.	hermaphroditic	c.	monoecious
b.	xerophytic	d.	dioecious

Plants that are very tolerant of dry conditions are called:

a.	epiphytes	c.	aerobophtytes
b.	xerophytes	d.	dryophytes

In Hardiness Zones 9 and 10, a temporary grass that is often used on golf courses to give green turf in the winter season is:

a.	Annual Ryegrass	c.	Annual Bluegrass
b.	Perennial Ryegrass	d.	St. Augustine grass

The parts of a dormant deciduous woody ornamental plant that are most likely to be damaged under low temperature conditions are:

a.	vegetative buds	c.	roots
b.	flower buds	d.	trunk or stem tissues

An example of a palm that belong to the Afan@ group is:

a.	Senegal Date Palm	c.	Cabbage Palmetto
b.	Coconut Palm	d.	Canary Island Date Palm

Branched leaf venation, annular rings, and floral parts in fours or fives, are distinguishing characteristics of:

a.	dicots	c.	gymnosperms
b.	monocots	d.	pteridophytes

10.

The flower buds of the majority of spring-flowering trees and shrubs were formed:

a.	the previous fall	c.	the previous winter
b.	the previous summer	d.	one week before flowering

11.

The Dawn Redwood is an example of a:

a.	broad-leaved conifer	c.	deciduous angiosperm
b.	broad-leaved gymnosperm	d.	deciduous conifer

12.

Which of the following best describes an iron deficiency on an ornamental plant?

a.	entire leaf is chlorotic	c.	entire leaf is chlorotic except for the midrib and the veins which are green
b.	entire leaf is green except for the midrib and the veins which are chlorotic	d.	entire leaf is green except for yellow chlorotic splotches throughout the leaf

13.

Scale and thrips are examples of ___________ insects:

a.	night feeding	c.	sucking
b.	predatory	d.	chewing

14.

Firm, twisted foliage on ornamental plants is a symptom of:

a.	Botrytis blight	c.	Japanese beetle feeding
b.	low calcium levels in the soil	d.	exposure to a herbicide

15.

The most practical way to prevent excessive salt levels in the growing media of container plants is to:

a.	leach the plants at yearly intervals	c.	apply one teaspoonful of sugar per 6" container at potting time
b.	apply some excess water at each irrigation	d.	use fertilizer only at 2 the recommended rate

16.

The most probable cause of tall, spindly growth of container-grown nursery stock is:

a.	overmastering	c.	low nutrition
b.	overcrowding	d.	damaged root system

17.

"Removing half the candle" is a means of:

a.	protecting Ashade loving@ plants	c.	pruning pines
b.	pinching Gladiolus	d.	working faster

18.

Which of the following best describes seed scarification?

a.	placing a seed capsule in a bag and allowing the sun to naturally open and disperse the seed	c.	removing some of the seed coat by using a file, sandpaper, or an acid solution
b.	planting the seed in a nursery flat to include covering the seed 2 of its diameter	d.	taking a dibble and spotting off newly-planted seedlings

19.

When grafting, special attention is given to:

a.	matching the cambium layer of the stock with the cambium layer of the section	c.	selecting a scion that is at least double the size of the stock
b.	making sure that both parts are the same size	d.	selecting the scion from the same tree as the stock

20.

The lower portion of a grafted plant is called the:

a.	underbyte	c.	understock
b.	underscion	d.	underpart

21.

The largest container stock production nursery in the world is headquartered in:

a.	Cairo, GA	c.	Chicago, IL
b.	Azusa, CA	d.	Princeton, NJ

22.

Sphagnum moss peat is frequently used in growing mixes for container nursery stock primarily because it:

a.	gives well-balanced nutrition	c.	gives good aeration and holds high moisture
b.	gives good aeration	d.	holds high moisture

23.

The use of both deciduous and evergreen materials is usually desirable. A good proportion is:

a.	one-third one kind to two-thirds of the other kind	c.	one-fourth evergreen to three fourths deciduous
b.	one-half evergreen to one-half deciduous	d.	none of the above

24.

Small trees (rather than standard ones) planted near a one-story house makes the house appear to be larger. This is an example of the appropriate use of:

a.	harmony	c.	rhythm
b.	balance	d.	scale

25.

Which of the following items should seldom be a part of the landscape in the public area?

a.	shrubs for screening	c.	trees for screening
b.	shrubbery grouped into beds	d.	ornaments such as bird baths, etc.

26.

Which of the following plant materials provide attractive flower displays for the private areas over the longest period of time during a year?

a.	evergreen shrubs	c.	flowering trees
b.	flowering shrubs	d.	beds of annuals

27.

Ground covers are used:

a.	as specimen plants	c.	to control traffic
b.	as hedge plants	d.	where low maintenance is a requirement

28.

If you planted a maple tree and after the first winter you noticed that much of the bark on the south side of the trunk appears sunken, cracked, blistered and drying, what is the likely cause?

a.	ice accumulation on the stem over the winter	c.	mechanical damage from lawn mower
b.	sun scald	d.	borers in the trunk

29.

The numbers 5-10-5 in a fertilizer formula stand for percentages of:

a.	calcium, nitrogen, potassium	c.	nitrogen, phosphorus, potassium
b.	magnesium, potassium, phosphorus	d.	nitrogen, phosphorus, calcium

30.

Addition of organic matter to improve soil:

a.	water holding capacity of soil	c.	aggregation of soil particles
b.	fertilizer holding capacity of soil	d.	all of the above

31.

If you are going to plant a group of Azaleas in containers, which of the following soil amendments would you add to your soil mix to make it acidic?

a.	peat moss	c.	Perlite (sponge rock)
b.	Vermiculite	d.	number 25 mesh sand

32.

The following is the analysis for a complete fertilizer:

a.	0-45-0	c.	5-10-5
b.	2-0-1	d.	0-20-10

33.

2-4 D is a:

a.	control for powdery mildew	c.	nitrogen fertilizer
b.	control of aphids	d.	selective herbicide

34.

Chelated iron will:

a.	correct chlorosis	c.	clog pipes
b.	control codling moths	d.	control crabgrass

35.

Early warning signs of poisoning of humans by a pesticide may include:

a.	turning green	c.	numbness in hands and feet
b.	loss of memory	d.	tightness in chest, narrowing pupils, headache

36.

Before beginning to repair a small gasoline engine you should always:

a.	disconnect the spark plug wire	c.	remove the spark plug
b.	clean it thoroughly	d.	disengage the gears

37.

The best time and method for applying herbicides to a lawn from the standpoint of effectiveness and least hazard to ornamental plants is:

a.	spray application in mid spring	c.	spray application in mid fall
b.	granular application in mid spring	d.	granular application in mid fall

38.

A very high LD-50 number means that the pesticide is:

a.	very highly hazard to humans	c.	very safe for humans
b.	highly effective in controlling insects	d.	not very effective in controlling pests

39.

An orange triangle displayed on the rear of a vehicle on a highway means:

a.	farm vehicle	c.	emergency vehicle
b.	slow-moving vehicle	d.	wide vehicle

40.

When a four-wheeled vehicle is turned, the rear wheels turn ________ the track of the front wheels:

a.	inside	c.	exactly in
b.	outside	d.	unpredictably with

41.

The most appropriate equipment for incorporating organic matter into soil in a field is a:

a.	chisel plow	c.	rotary hoe
b.	moldboard plow	d.	harrow

42.

If you have a work-related problem that you don=t know how to solve, you should take it to your supervisor:

a.	after you have tried a solution	c.	to complain about it
b.	for him/her to solve	d.	with alternative solutions

43.

The majority of persons who are fired from their jobs loose them because they:

a.	lack technical skills	c.	lack interpersonal skills
b.	are dissatisfied with their wages	d.	are unproductive

44.

If a garden store customer makes purchases that total $50.00 and there is a 6% state sales tax, but a 5% discount for Acash and carry,@ the customer should pay:

a.	$47.70	c.	$50.35
b.	$49.70	d.	$51.32

45.

The three nursery activities that are most influenced by seasonal variations are:

a.	estimating cost, controlling inventory, repairs	c.	propagation, harvesting, shipping
b.	propagation	d.	maintenance, problem solving, tipping

46.

The following woody landscape plants flower in summer:

a.	Crape Myrtle, Stewartia, Goldraintree, Hibiscus syriacus	c.	Stewartia, Gordonia, Forsythia, Common Lilac
b.	Crape Myrtle, Flowering Quince, English Hawthorn, Magnolia grandflora	d.	Japanese Lilac, Kerria, Viburnum carlesi, Staghorn Sumac

47.

The following turfgrasses produce neither stolon nor rhizomes:

a.	Tall Fescue, Perennial Ryegrass	c.	Bermuda grass, St. Augustine Grass
b.	Creeping Bent, Red Fescue	d.	Kentucky Bluegrass, Bentgrass

48.

A distinctive identifying characteristics of Cedrus libani is:

a.	Deciduous foliage	c.	pealing bark
b.	upward-borne cones	d.	red flowers

49.

A plant that has been discarded in the grading process is called a:

a.	crud	c.	cad
b.	cull	d.	tic

50.

Establishing a turfgrass by planting small pieces of rhizomes or stolons is called:

a.	sprigging	c.	sodding
b.	plugging	d.	spiking