ECE Fundamentals of Horticulture Final Exam

Certain bacteria and viruses can be used as antagonists against other organisms.

Perennials do not die after flowering.

Arborists work with:

Which of these is NOT an advantage of using artificial root media?

When is the best time of day to water a lawn?

A plant's botanical name is always expressed in Latin.

When planting seeds, leaving about ___ of space at the top of the pot to allow for watering.

What germination temperature is considered suitable for most greenhouse plants?

The rule of thumb for mowing grass is remove about ___ the length of the grass blade.

Pinpoint holders are used by professional florists, not by homeowners, due to their complexity.

What do nematodes feed on?

Most floriculture retails outlets are:

Your floral arrangement should ideally have multiple centers of attention.

Modern foundation planting:

Landscapers often obtain their plants from wholesale nurseries.

Adding Carbon Dioxide to the air in a greenhouse would decrease the rate of photosynthesis.

A scientific name can be assigned to only one plant.

Which of these is not a function of the roots?

When establishing a new lawn you should water several times a day for at least a month.

Dicotyledons have how many seed leaves?

Roots generally stop growing once the plant has reached maturity.

Who first established the binomial system of classifying plants and animals?

Advertising, promotion, publicity, and public relations are all essentially the same thing.

a _____ is used for measuring and dimensioning.

The landscape principle of rhythm is done by repeating layout lines, colors, and materials.

Which of the following is a fuel commonly used in greenhouse heaters?

Floral designers are usually expected to be salespeople also.

Which of these is a modified stem or root tissue that stores food during dormant periods?

Within any one planter, the species selected should have the same requirements for:

A partnership is a business engaged in by:

Respiration occurs constantly, day and night, in a plant.

A typical wholesale supply house does NOT employ:

If choosing flowers for an arrangement, limit it to a few contrasting or harmonious colors.

The Fair Labor Standards Act:

You should use your personal savings as much as possible in starting a new business.

When watering plants, wetting foliage should be avoided.

How long does a biennial live?

America's plant nurseries and greenhouses are among the fastest growing segments of U.S. Ag.

Root cuttings should be taken in late winter or early spring.

Which of these types of grass tend to reproduce most slowly and unevenly?

Adding a ring of mulch around the base of a tree:

Leaves can be used for asexual propagation.

Many North American weeds come from Europe.

A plant may spend up to five years in a wholesale nursery.

Cooperative Extension specialist spend little time interacting with the public.

Firms that grow flowering and foliage plants may emphasize:

When using pesticides, you should start by using the highest recommended concentration.

Which of the following is NOT an advantage of using grass mixtures?

The reproduction of plants through the formation of seeds is called:

Cytokinins promote either cell enlargement or cell division when interacting with auxins.

Shade is the hue created by the addition of what color?

What shape are clay particles?

What is the most significant factor in the development of a granular structure?

Greenhouse and nursery propagators often use growth regulators to promote rooting of cuttings.

If a parasitic seed plant makes its own food but needs structural support, it is categorized as

The soil should be dry before the installation of sod.

Serpentine layering is used on plants that have a pendulous growth habit and flexible branches.

When used on vegetative cuttings, auxins are applied as dusts or solutions.

Which of these id NOT an advantage of a A-frame truss greenhouse?

Genes are part of the DNA portion of a chromosome.

Irrigating with liquid fertilizer uses less fertilizer than applying dry fertilizer.

Successful retailers of nursery materials must be interested and have good communication skills

Humidity is a common problem for interior plantscapes.

Propagation by layering is faster, less expensive, and produces more plants per parent plant.

Plastic is applied to the framework of a greenhouse as 2 sheets separated by air to save heat.

Ornamental horticulturists who control the reproduction of plants are called:

Which type of light is most important for interior plantscapes?

Root media must:

The propagating medium will usually contain:

Corsages with an odd number of blossoms are most common.

The percentage of anticipated sales revenue owner decides to spend on advertising will vary:

Winter pruning:

Which of these is considered a warm color?

The grower should wait until the plant displays symptoms of difficulty before soil testing.

Which wall of the greenhouse requires extra insulation as it is considered an energy liability?

When an exact duplicate of a plant is desired, asexual propagation must be used.

You cannot be an owner/operator of a floriculture business without a college education.

All seeds require light to germinate.

What is the most common material used by florists to support fresh flowers?

Which of the following is considered essential to success as a maintenance landscaper?

From where does the organic matter in soil come from?

The Cooperative Extension specialist works for the state college of agriculture in every state.

Ornamental horticulture offers jobs to people with diversity of background and career goals.

Landscape architects generally install the landscape.

The shortening of a twig, rather than its full removal, is known as:

Cooperative Extension is a university outreach service.

Growth is the primary maintenance objective for an indoor plant.

The incurve is desirable for an attractive specimen plant because it is a natural focal point.

Which branches create the canopy of the tree?

The majority of higher plants reproduce from spores.

A perfect flower has:

The physical plant layout plan should be prepared after the business opens.

Sole proprietorships are common in ornamental horticulture professions.

A fruit is a ripened ovary of the flower.

Landscape maintenance involves all BUT which of the following tasks?

Stems that grow along the ground and form new plants at one or more of their nodes are called:

Holes in the leaves are a sign of insects or pathogens.

Sand particles range from smooth and round to sharp and angular.

Which of these is a standard geometric shape that lends itself naturally to flower arrangements

What is the principle role of cytokinins?

Subsoil typically contains large quantities of organic matter.

Sod should be allowed to dry out for at least 48 hours between before it is installed.

What drives the chemical reaction involved in photosynthesis?

What should you do first when preparing to create a residential plan?

The best planting time for cool season grasses is early fall or very early spring.

Frequent shallow watering is preferable to infrequent and deep watering.

Where do most retail florist obtain their flowers?

Autumn pruning should be reserved for plants that bloom in:

The lead branch of a tree cannot be removed without destroying the distinctive tree's shape..

Which types of pesticides are formulated as coarse, solid particles for easy application?

All types of plants can be drafted.

The disadvantage of using double layer plastic covering is the reduction in light intensity.

A nursery production facility requires less land than production greenhouse facility.

A dichotomous analytical key helps you identify a specific a specific plant through the use of:

Which pigment is found in the greatest abundance in most higher plants?

With indoor plants, insect problems are more common than are diseases.

Privately-owned garden centers usually offer ____ than do chain stores.

Low branching trees are commonly used for which outdoor room component?

Where the crotch union is wide, the branch is most likely to be weak.

Those seeking a career in horticultural therapy should seek training in horticulture PE and:

New mulch should be applied directly over old mulch.

Soil structure resulting from small porous aggregates is highly desirable.

Teachers:

Using a Computer Aided Drafting (CAD) design system takes a long time to make design changes .

Tropical plants generally do not adjust well to an indoor environment.

Which of the following terms are used interchangeably?

Propagation by tissue and organ culture requires totally sterile conditions during the process.

The groundskeeper should prune winter damage as soon as possible.

Compared to plastic coverings, glass:

One of the primary goals of horticulture therapy for the physically handicapped is:

Which glazing material is used in a high tunnel or hoop house?

Which type of greenhouse should to provide a cool holding area for plants awaiting sale?

Proper installation of plants may require:

A fertilizer is considered a complete fertilizer if it provides:

Which of these soil separates is largest?