Worksheets2024 N/L Knowledge Exam
Total questions: 30
Worksheet time: 15mins
Why is the proper spacing of plants in a nursery important?
To reduce soil erosion and conserve fertilizer
To improve air circulation and encourage desirable growth
To reduce the temperature of the growing area and to provide shade
To limit plant growth and reduce soil erosion
What does the presence of mushrooms growing on the base of a tree typically indicate?
The tree is healthy and thriving
The tree is producing new roots
The tree is in poor health
The tree is entering the propagation phase
Which of the following plant tissues is responsible for the transport of water and minerals from the roots to other parts of the plant?
Phloem
Nodes
Epidermis
Xylem
Which of the following best describes the function of a spark plug in a small gasoline engine?
To vent the combustion chamber before ignition
To regulate the air-fuel mixture ratio in the combustion chamber
To filter out impurities in the air before it enters the combustion chamber
To ignite the air-fuel mixture in the combustion chamber
What does the USDA Plant Hardiness Zone Map help horticulturists determine?
The best time to prune plants
The drought tolerance of each region
The coldest temperatures a plant can tolerate in a specific area
The amount of sunlight a plant needs
What is the primary purpose of hardening off seedlings before moving them from a greenhouse or cold frame and transplanting them outdoors?
To reduce their susceptibility to pests
To increase root growth
To acclimate them to outdoor conditions
To prevent flowering
Which of the following statements about postemergence herbicides is most accurate?
Postemergence herbicides prevent weed seeds from germinating
Postemergence herbicides are applied after weeds emerge
Postemergence herbicides only work on weeds in the germination stage
Postemergence herbicides are applied to weeds in the late winter before new plant growth
A customer at the nursery was assisted by a salesperson in selecting pruning shears. The customer was initially drawn to an inexpensive pruner designed for small limbs. After learning more about the scope of the job, the salesperson suggested a larger, higher-quality pruner to better suit the customer’s needs. This is best described as:
Bundling
Upselling
Price promotion
Price inversion
Which of the following plant propagation techniques allows a nurseryman to produce new plants that are genetically the same as the parent plant?
Hybridization
Rooting cuttings
Sexual propagation
Pollination
Which of the following techniques is most likely to improve communication skills in a team meeting?
Multitasking and dividing attention
Avoiding too much eye contact to maintain focus on written content
Demonstrating active listening, taking notes, and summarizing key points
Using the highest-level vocabulary during discussions
The OSHA Hazard Communication Standard requires pesticide manufacturers, distributors, and importers to provide Safety Data Sheets (SDS) for each hazardous chemical sold. What is the primary purpose of the Safety Data Sheets?
To instruct retailers on the safe display of hazardous materials in the store
To help downstream users understand the hazards associated with the chemical
To provide information on chemical pricing and availability
To assure compliance with distribution and wholesale policies
Which of the following would be most likely to increase a nursery grower’s chances of making a profit?
Increasing fixed costs
Decreasing the selling price of plants produced
Increasing taxes
Decreasing variable costs
Which of the following is a key benefit of using a cold frame or greenhouse in the production of nursery plants?
Decreases insect infestations
Decreases plant susceptibility to disease
Provides a controlled growing environment
Reduces water use
Peat moss is commonly used in growing media for potted crops and as a soil amendment in the landscape. What is the primary purposes of peat moss?
Provide essential nutrients and reduce erosion
To retain moisture and improve aeration
Provide micro nutrients and reduce pH
To increase pH of the soil and prevent disease
What are the primary purposes of pruning young plants in nursery production?
To maximize the number of plants that can be grown in a given space
To reduce water and fertilizer use by the plants
To discourage flowering and increase vegetative growth
To shape the plant and promote proper growth
Which of the following plant nutrients is primarily responsible for promoting vegetative growth?
Nitrogen
Potassium
Phosphorus
Calcium
Which of the following is a gardening practice that promotes the continued blooming of plants in the landscape?
Dead heading
Air layering
Node removal
Root pruning
Which of the following are benefits of using mulch around plants in the landscape?
It conserves soil moisture, moderates temperatures, decreases weed growth
It eliminates weeds, reduces loss of air from the soil, increases temperature
It lowers soil temperature, reduces insect problems, eliminates weeds
It decreases pests, maintains a constant soil temperature, increases beneficial insects
Which of the following is the best definition of spring and summer flowering perennials?
They live many year, the tops die back to the ground each fall and growth arises from the crown or roots in the spring
They bloom during the spring and summer, the tops and roots die after flowering, they grow again in the spring from the seeds produced the previous season
The leaves and tops persist throughout winter, they bloom during the summer and fall, they are hardy in all USDA hardiness zones
The parent plant lives for two years, they show little growth during the winter, they have a two-year life cycle
Some nursery growers use a science-based process that combines several tools and strategies to identify and manage pests. They use a combination of biological, mechanical, cultural, and chemical practices to control pests. Which of these best describes this pest management control system?
Organic Nursery Production (ONP)
Pseudo-Pest Management (PPM)
Integrated Pest Management (IPM)
Scientific Organic Pest Control (SOPC)
Which of the following is a warm season turfgrass, commonly used in residential lawns and commercial applications, but has little shade tolerance?
Bermudagrass
Annual bluegrass
Miscanthus grass
Kentucky bluegrass
What of these best defines hardscapes items as used in landscape design?
Non-living elements such as pathways, patios, or retaining walls
Structures that add outdoor living space
Natural elements such as trees, shrubs, and flowers that enhance the beauty of the landscape
Artistic and decorative elements, such as topiaries that add flair to the landscape
A well-designed public area in a home landscape should do which of the following?
Emphasize the length of the home with low growing plants at each corner of the landscape
Draw the viewer’s eye to the as the front entry area of the home
Create a commons area with no emphasis on any particular area of the landscape
Provide the observer a full view of home’s features from side to side
Which pesticide signal word indicates that the material is moderately toxic?
Warning
Caution
Danger
Poison
Which of these is not a defined method of pesticide exposure?
Inhalation
Dermal
Oral
Congestion
Which of the following best describes depreciation of nursery and landscape equipment?
Depreciation is a method of calculating the future value of equipment
Depreciation is the decrease in the value of a piece of equipment over a period of time
Depreciation is a method calculating the amount of money that will be received in future
Depreciation is a method calculating the change in variable cost over a period of time
When is the best time to prune summer-flowering shrubs?
early summer
late winter
mid-summer
they may be pruned anytime because these shrubs bloom on old and new growth
Which of these practices is often used to help speed up the rooting of cuttings?
Maintaining the soil temperature between 65 and 70 degrees
Providing air movement with circulation fans
Applying extra fertilizer in liquid form
Providing bottom heat
Which of these is a soil type that contains a combination of sand, silt, and clay particles in relatively equal amounts?
sandy soil
silty soil
clay soil
loamy soil
Some plants are difficult to root and require extra processes to increase the percent of rooting. Which of the following is a common practice to increase the rooting success rate?
Spraying the wound at the base of the cutting with wound spray
Removing the growth buds from the cutting
Wounding the cutting at the base to increase surface area
Treating the wound at the base of the cutting with pesticide
