HORTICULTURE MCQS

601.     In plants, __________ is the process of converting stored energy into energy for plant growth.

1. Transpiration
2. Photosynthesis
3. Respiration
4. Pollination

602.     A landscape designer uses many __________ in developing the preliminary design for a project.

1. Perfect plans
2. Bubble diagrams
3. Site surveys
4. Problem statements

603.     An example of an organic material is __________.

1. Pea gravel
2. Perlite
3. Leaf mold
4. Vermiculite

604.     The loss of water in the form of vapor from the surface of plant leaves is referred to as:

1. Transpiration
2. Respiration
3. Oxidation
4. Condensation

605.     The basic underlying principle of using a mist propagation system is that it:

1. Keeps the propagation medium uniformly moist and supplies moisture to the base of the cuttings
2. Keeps the plant material cool
3. Cools the propagation medium to promote root formation and development
4. Increases humidity around the cutting and reduces transpiration

606.     Low-growing landscape plants should:

1. Be placed in front of intermediate growing plants
2. Be placed behind intermediate growing plants
3. Not be used in the landscape
4. Be planted under large trees

607.     In a landscape design, properly located plants and structures.

1. Can reduce heat intensity
2. Need to be constantly pruned and maintained
3. Block the view of the front door
4. Are not essential for a good landscape design

608. A shade loving border plant is:

1. Marigold
2. Impatiens
3. Zinnia
4. Chrysanthemum

609.     A plant that dies to the ground at the end of each growing season but comes back from the same root stubs year after year is most accurately described as:

1. Perennial
2. Annual
3. Biennial
4. Herbaceous perennial

610.     Two basic types of pruning are heading-back and thinning-out.  Which of the following is true about these pruning methods?

1. Thinning cuts leave behind a good portion of the stem and many axillary buds.
2. Thinning cuts are made close to a main branch or ground and few axillary buds are left.
3. Heading cuts usually remove entire branches and leave no buds.
4. Heading cuts remove a portion of the stem and only terminal buds are left.

611.     Lowering the soil grade around a tree removes many of the trees __________ roots.

1. Tap
2. Aerial
3. Feeder
4. Aquatic

612.     Water availability, temperature extremes, and __________ should be considered when selecting trees for the landscape.

1. Slope
2. Topography
3. Soil type
4. Buildings present

613.     Lawn sprinkler systems are installed so as to provide even coverage. It is accomplished by:

1. Spacing the heads so that each sprinkler sprays to the next sprinkler
2. Using sprinkler heads with a square pattern throughout the landscape
3. Spacing sprinklers based on needs specified in the soil test
4. Using one size pipe throughout the landscape

614.     Callus is a term usually referring to:

1. The tissue on the collar of a limb
2. The first tissue develops on a cut surface just before the root formation initiates.
3. Deformed growth on plant limbs
4. A disease of plant leaves and limbs

615.     A __________ is a woody perennial that has more than one main trunk.

1. Tree
2. Flower
3. Shrub
4. Weed

616.     Mrs. Khan loves spring flowering bulbs.  Which of the following would you suggest for Mrs. Khan to plant?

1. Hyacinthus orientalis
2. Coleus x hybridus
3. Lonicera japonica
4. Gardenia jasminoides

617.     In nursery production, a refers to __________.

1. A plastic bag
2. A rooted cutting or small seedling
3. A type of garden tool
4. A plastic mulch covering

618.     Which of the following is a deciduous vine?

1. Tecoma grandiflora
2. Rosa marshenelle
3. English ivy
4. Rosemary

619.     Failure of a bulb to produce a marketable flower following floral initiation is:

1. Disbudding
2. Flower blasting
3. Damping off
4. Dieback

620.     Which of the following is the proper recommendation for pruning trees at planting:

1. Pruning should be limited to shaping the plant by removing dead or damaged limbs
2. Trees should be cut back to at least one-half their size to prevent stress on root systems
3. Trees should not be pruned until the third year after planting
4. Trees should not be pruned at all the latest trend is to let them develop naturally

621.     The practice of manually watering a container plant until water comes out of the drainage holes of the container is effective for helping to reduce the buildup of __________ in the growing medium.

1. Pathogens
2. Soluble salts
3. Pesticides
4. Herbicides

622.     One of the best ways to speed up the rooting process of cuttings is to:

1. Provide bottom heat
2. Keep the soil cool and the foliage warm
3. Harden them off by laying them out to dry a few days before sticking
4. Always take cuttings after mid-day

623.     An area of the landscape that includes space for such items as a clothes line and garbage cans is the __________ area.

1. Service
2. Public
3. Private
4. Recreational

624.     The landscape design principle of interconnection:

1. Is a visual break in sequence
2. Is the human perception of space and form related to human dimension
3. Is the overall organization and structure of a design
4. Occurs when visual components are physically linked together

625.     A flower is a type of flower often used as a focal point.

1. Mass
2. Line
3. Form
4. Spike-type

626.     Growing medium for greenhouse plant production is:

1. A nutritive substance in which seeds germinate and plants grow
2. Unsterilized soil
3. Soil which hasnt been graded for size
4. The cellular structures that make up wood

627.     The phenomenon of terminal plant growth suppressing lateral growth is termed as:

1. The apex auxin complex
2. Apical dominance
3. Lateral dominance
4. Terminal bud inhibition

628.     Some seeds are produced in the fall and remain on or in the ground until they germinate in the spring.  Exposing seeds to the winter cold and moist soil is natures method of _______.

1. Scarifying
2. Stratifying
3. Acidifying
4. Sporulating

629.     The use of plant materials and landscaping techniques to conserve soil moisture and to reduce water usage is:

1. Xeriscaping
2. Waterscaping
3. Natural landscaping
4. Bogscaping

630.     Which of the following describes plants that lose their leaves during the winter?

1. Evergreen
2. Deciduous
3. Coniferous
4. Herbaceous

631.     Hardiness refers to:

1. The strength of the wood of a tree
2. The quality of being strong and being able to survive in a certain region
3. The hardness of the soil in which a plant is being planted
4. The ability of a plant to grow indoors

632.     Hardening-off is a term used in the nursery/landscape industry to mean:

1. Allowing herbaceous plants to become woody
2. Acclimatizing landscape plants to cold frame conditions
3. Coating plants with a protective plastic-type spray prior to transplanting
4. Acclimatizing tender plants to harsher, outdoor conditions

633.     The removal of lateral flower buds from stems, such as carnations and chrysanthemums, is called:

1. Soft pinch
2. Deadheading
3. Hard pinch
4. Disbudding

634.     A lawn mower with blades parallel to the surface of the ground is called as:

1. Reel mower
2. Rotary mower
3. De-thathing mower
4. Electric mower

635.     The turfgrass least tolerant of shade is:

1. Zoysia grass
2. Fescue grass
3. St. Augustine grass
4. Bermuda grass

636.     Which of the following is not an important environmental requirement for germination to occur?

1. Proper temperature
2. Oxygen
3. Carbon dioxide
4. Moisture

637.     Light energy, carbon dioxide, and water enter into the process of photosynthesis, through  which:

1. Respiration results
2. Carbohydrates are formed
3. Chlorophyll is formed
4. Amino acids are formed

638.     The most common synthetic root-promoting chemicals are:

1. IBA and AAN
2. CCA and ACD
3. ISO and OSB
4. IBA and NAA

639.     What information is not mentioned in the legend on a final landscape plan?

1. Plant names
2. Specific notes concerning installation
3. Plant quantities
4. Designers name

640.     When planting a bare-rooted tree, the tree should be planted:

1. At 6 inches above the original soil level
2. At 2 inches above the original soil level
3. At 6 inches below the original soil level
4. Directly even with the original soil level

641.     A major advantage for producing nursery stock in containers is that it:

1. Is less expensive than growing in nursery fields
2. Allows for transplanting any time during the growing season
3. Requires less water and fertilization than field-grown crops
4. Requires less labor than field-grown crops

642.     A method of fertilizer application is __________.

1. Sterilization
2. Pasteurizing
3. Side dressing
4. Leaching

643.     Brown patch, dollar spot, and gray snow mold are all diseases of:

1. Azaleas
2. Turf grasses
3. Trees
4. Evergreens

644.     Which plant is a vine?

1. Ficus benjamina
2. Pinus thunbergiana
3. Ilex cornuta
4. Lonicera japonica

645.     Site features to consider when conducting a site survey include:

1. Topography, client analysis, natural features, and climate
2. Topography, soil conditions, natural features and existing vegetation
3. Natural features, existing vegetation, soil conditions, and client analysis
4. Natural features, climate, existing vegetation, and client analysis

646.     Food produced in the leaves moves to other parts of a plant through:

1. Phloem tissues
2. Xylem tissues
3. Vein system
4. Arteries

647.     When installing a landscape, which step (from the following list) should be completed last?

1. Plant the trees and shrubs
2. Add amendments to the soil
3. Install the drainage system
4. Build retaining walls and garden walkways

648.     Examples of cool season grasses include perennial ryegrass, bent grass, and:

1. Bermuda grass
2. Fescue
3. St. Augustine
4. Zoysia

649.     Magnesium, calcium, and sulfur:

1. Are essential elements needed for plant processes
2. Are micro-elements
3. Can be found in incomplete fertilizers
4. Are only needed by some plants

650.     Functional roles of plants in the landscape do not include:

1. Screening
2. Developing the structural framework of the design
3. Enclosing
4. Greening up