Cengage Horticulture Exam 1 Practice

These questions are part of the practice quiz. Start practicing

• Most horticulture jobs require a high school diploma.
• During an interview, salary should be
• Which statement correctly identifies field capacity relative to wilting point?
• In landscape design, what is meant by hardscape?
• Which statement correctly describes soil texture and soil structure?
• Which statement is true about germination rate?
• Marble chips are an example of which paving category?
• What is produced during light-dependent reactions of photosynthesis that is used in the Calvin cycle?
• Which of the following is NOT one of the four things plants receive from soil?
• Which statement best describes the function of the rootstock in a grafted plant?
• Which pruning cut is most effective for reducing density without shortening the overall structure?
• In plant propagation, what is hardening off?
• In the general photosynthesis equation, which side lists light energy?
• Which gas is released as a byproduct during the light-dependent reactions of photosynthesis?
• Plants are easier to transplant if they have a
• The chemical most often used commercially for rooting cuttings is which?
• For a plant with the scientific name Acer rubrum 'Red Sunset,' Red Sunset is the _____ name.
• Fruit trees may be dwarfed by which method?
• _____ is provided for a plant by its leaves.
• Which greenhouse climate factor is most directly affected by venting and fan operation?
• Which statement about indolebutyric acid is true in propagation?
• Which indicates a successful graft union has formed?
• Which option best describes soil-based media?
• Which of the following is one of the four things plants receive from soil?
• Which statement best describes Integrated Pest Management (IPM)?
• What is the Calvin cycle's primary purpose?
• One of the basic principles that guide landscape architects and designers in planning a landscape's outdoor rooms is
• Which of the following is a macronutrient essential to plant growth?
• Which term describes a plant that completes its life cycle in one growing season?
• Which statement best distinguishes a complete fertilizer from an incomplete fertilizer?
• Define germination rate.
• Purplish coloration on stems and leaves with slow growth is most commonly due to which nutrient deficiency?
• What is the primary function of phloem in plants?
• What is the general role of auxins in plant growth?
• Two main functions of stems are to
• Which option is a hardscape paving option?
• What is the role of mycorrhizal fungi in plant nutrition?
• Which plant growth response is triggered by light direction?
• What is damping-off, and which conditions promote it?
• Which component of soil primarily contributes to Cation Exchange Capacity?
• Which pair of beneficial insects is commonly used for biological control?
• What tissue is removed in a flush cut?
• Which nutrient deficiency typically causes interveinal chlorosis in new leaves?
• A genus can be defined as a group of plants that
• What is the recommended pruning angle near a bud?
• Field capacity in soil physics is defined as the amount of water the soil holds after excess water drains away, when gravitational drainage has ceased. Which choice best describes field capacity?
• Which scenario would most likely lead to disease development according to the disease triangle?
• Damping-off primarily affects which stage of plant development?
• Which of the following is a main benefit of mulching in horticulture?
• Why is staking used in horticulture?
• What two factors are essential for a successful graft between rootstock and scion?
• Which material is commonly used as a soilless propagation medium besides peat moss and perlite?
• What is the primary purpose of using scientific names for plants?
• In grafting, what term refers to the root portion onto which the scion is grafted?
• What disease is characterized by a white powdery fungal growth on leaves and stems?
• Which field describes the science and practice of growing and marketing flowering plants?
• B-Nine is a commercially used chemical that shortens or dwarfs plants.
• Which of the following is NOT one of the four main parts of a flower?
• Which set of molecules produced in the light-dependent reactions provides energy and reducing power for carbon fixation?
• Name the process by which water is lost to the atmosphere from plant surfaces.
• Why is soil drainage class important for plant health?
• Name a common biostimulant used to enhance root growth.
• What does IPM stand for and what is its core idea?
• Which are the three primary macronutrients that constitute the majority of plant dry weight?
• What are the three components of the disease triangle?
• The landscape industry is also known as which term?
• Which classification of soil water is described as providing the most water to plants and being the most important?
• The scientific name Forsythia suspensa is the same as its common name.
• A fungicide such as Captan added to a rooting hormone helps prevent cuttings from rotting.
• In Forsythia suspensa, what is Forsythia?
• What does Cation Exchange Capacity describe?
• Which tissue is primarily responsible for long-distance transport of water in plants?
• What effect does gibberellic acid have on plant growth when applied at appropriate concentrations?
• In Acer rubrum 'Red Sunset', Red Sunset is the cultivar name.
• The major function of root hairs on roots is to
• What is a flush cut, and why is it discouraged in pruning?
• Which of the following is a micronutrient essential to plants?
• Give an example of a beneficial insect used in IPM.
• What is the focus of postharvest physiology?
• The science and practice of growing, harvesting, handling, storing, processing, and marketing vegetable crops is called.
• The name of the person who developed the binomial system for naming plants is
• If soil bulk density increases, what is the likely impact on roots?
• Which option is NOT a component of the disease triangle?
• The strength of the active chemical in the majority of rooting hormones on the market ranges from 0.1 percent to 0.8 percent.
• Which term describes propagating, growing, installing, maintaining and using grasses, annual plants, shrubs and trees in the landscape?
• Which soil texture has the highest water-holding capacity but low permeability?
• What is the typical pH range for most ornamentals in moderately weathered soils?
• A person who identifies and classifies plants is known as a(n)
• Which statement describes softwood, semi-hardwood, and hardwood cuttings correctly?
• What is the function of rooting hormone like IBA when used on cuttings?
• The word horticulture is derived from a Latin word meaning
• The generic name of the plant is placed
• Ice can kill plants if it is formed inside the plant cells.
• A tensiometer is used to measure what in soil?
• What is vernalization?
• During a homeowner interview, which question should a residential landscaper ask?
• Water makes up approximately _____ percent of a plant's weight.
• The science and practice of propagating, growing, installing, maintaining and using grasses, annual plants, shrubs and trees in the landscape is called.
• A plant’s ability to survive winter cold in a climate zone is referred to as plant hardiness.
• The basic process by which plants convert light energy into chemical energy is called?
• What is the purpose of applying rooting hormone in propagation?
• Name two common soilless propagation media.
• Which basic process by which plants convert light energy into chemical energy?
• Which combination describes the method used to dwarf fruit trees?
• Name two essential micronutrients required by plants in small amounts.
• Which plant is commonly propagated using a tuberous root?
• Which statement below best describes a drought-tolerant rootstock's effect?
• Plants respire
• What does sterile propagation technique involve?
• Softscape paving includes which of the following materials?
• A naturally produced plant growth stimulant has been found in which plant?
• What are the two most important things humans receive from plants?
• When grafting, what must be compatible between rootstock and scion?
• Which statement best describes the difference between a cutting and a graft in vegetative propagation?
• What pigment is primarily responsible for capturing light energy in photosynthesis?
• A greenhouse employee works primarily in which environment?
• What is transpiration?
• Which chemical can cause plants to grow taller when applied?
• What are the three layers of a normal soil profile?
• Name a common rooting hormone used to promote root initiation on cuttings, and name one alternative.
• Distinguish thinning cuts from heading cuts in pruning.
• Describe softwood, semi-hardwood, and hardwood cuttings.
• What soil property influences nutrient availability and pH buffering?
• _____ is not only pleasing to the eye, but it can be beneficial to wildlife as well.
• What symptom is often caused by honeydew-producing pests like aphids and scales, visible as a black sooty mold?
• Which set correctly lists the four basic parts of a plant?
• To raise soil pH and lower soil acidity, what is added to the soil?
• Which element causes plants to grow rapidly and develop a dark green color?
• In soil testing, what does electrical conductivity (EC) measure?
• Which statement best describes immobile nutrients?
• A species can be defined as
• Which rooting hormone is commonly used to promote root initiation on cuttings, and name one alternative?
• Which nutrient deficiency commonly causes interveinal chlorosis on the youngest leaves, particularly in zinc-deficient soils?
• Which term best describes a plant part taken to start a new plant by growing roots in a suitable medium?
• In pruning, what is a thinning cut?
• Which carbohydrate is produced as the primary sugar during photosynthesis?
• Which nutrient is commonly limited in soils and often improved by mycorrhizal associations?
• Which plant tissue is responsible for water transport from roots to leaves?
• In pruning, where should a cut be placed relative to a bud to promote healing and minimize water loss?
• Why is soil pH important for nutrient availability?
• How does the transpiration pull move water up the plant?
• What does graft compatibility mean?
• What is the purpose of sterile propagation medium?
• What mechanism moves water from roots to shoots in most plants?
• Name three micronutrients essential to plants.
• Which is the most popular of all surfacings?
• In most soil, which property indicates how well nutrients are held and released for plant uptake, especially cations?
• Which statement is true about basic principles in landscape planning?
• Define plant hardiness.
• The science and practice of growing, harvesting, handling, storing, processing, and marketing tree fruits is called.
• Which growth regulator is typically used to shorten plant height?
• Which term describes the scientist who identifies and classifies plants?
• Which plant part is primarily responsible for photosynthesis and food production?
• Which term describes a plant growth response to the length of day or night?
• In grafting, what is the scion?
• What does the N-P-K ratio in a fertilizer indicate?
• Ideal cold storage conditions for most cool-season crops to extend shelf life are near what temperature range with what humidity?
• Softscape paving includes
• Photoperiodism is the plant's response to the length of what environmental cue?
• Name the tissue type in plants that is responsible for primary growth in the tips of roots and shoots?
• What hormone is primarily responsible for apical dominance and root initiation modulation?
• When constructing an outdoor room, trees are excellent materials for use in developing the outdoor ceiling, called a(n)
• Which organelle contains chlorophyll and carries out photosynthesis?
• Which nutrients are considered macronutrients for plants?
• Which statement about PPFD is true?
• What is the primary purpose of stomata on leaves?
• Which statement best describes soilless media?
• What does sterile technique involve in greenhouse propagation?
• Why is crop protection product rotation recommended as part of IPM?
• In landscape design, what term describes the outdoor ceiling formed by trees in an outdoor room?
• How does soil texture differ from soil structure?
• Which option best describes the difference between a heading cut and a thinning cut?
• Which statement best describes apical meristems?
• Which pigment is most responsible for capturing light energy in photosynthesis?
• An example of a plant with a tuberous root that is used to propagate the plant is the
• In pruning, why is a cut made just above a node?
• What are typical day and night temperature ranges for many greenhouse crops?
• Which gas is released as a byproduct of photosynthesis?
• Most of the jobs in horticulture require
• Evapotranspiration (ET) is defined as the sum of which processes?
• Which statement about the binomial plant name is true?
• Which layer lies beneath the topsoil in a normal soil profile?
• Which statement best describes the role of roots in soil?
• As the population grows, the horticulture industry will
• Which insect is commonly used as a beneficial organism in IPM?
• What does bulk density indicate about soil?
• Which statement best defines apical dominance?
• In plant nutrition, which statement best describes mobile nutrients?
• Define photoperiodism.
• What feature increases the surface area for water absorption on roots?
• Which irrigation method is generally most water-efficient when properly designed for container and bed production?
• Which statement best reflects the disease triangle concept?
• Which statement about chloroplasts is true?
• The reason scientific names are expressed in Latin is because it is an international language and was used by the early scholars to express plant names.
• What rootstock trait enhances drought tolerance in orchard trees?
• Blossom set is used to stimulate early fruit set on which crop?
• What is vernalization?
• Which plant growth regulator is most associated with fruit ripening and leaf senescence?
• Which describes the typical hours for a greenhouse worker?
• Which nutrient is not part of the typical N-P-K fertilizer ratio?
• In irrigation management, what is the purpose of using a soil moisture sensor or tensiometer?
• Which nutrient element is commonly supplied in both ammonium and nitrate forms in fertilizers?
• In zinc deficiency, which leaves typically show chlorosis first?
• Which of the following is NOT a common soilborne or root pest affecting potted plants?
• What does Growing Degree Days stand for and what is its use?
• Which statement best describes the difference between soil-based and soilless media in horticulture?
• What does PPFD measure?
• The word xeriscape comes from the Greek word xero which means
• How many basic principles guide the landscape architect or designer in planning the landscape's outdoor rooms?
• Which soil structure improves drainage and aeration best?
• What is the general photosynthesis equation?
• Which statement about the effect of lime on soil is true?
• Nitrogen deficiency typically shows chlorosis in which leaves?
• Which field is about propagating and maintaining landscapes with grasses and shrubs?
• Which tissue is responsible for secondary growth and girth increase in many trees and shrubs?
• Which soil property best describes the ability to hold and exchange cations?
• Postharvest physiology primarily informs decisions about which aspect?
• Latin names of plants are italicized
• What are common signs of nitrogen deficiency in leaves?
• Hardscape paving includes
• Latin plant names are expressed in Latin because it is an international language and was used by the early scholars to express plant names.
• Transpiration is
• When outside temperature increases, plant growth normally increases if moisture is available. What condition is required for this to happen?
• Wilting point is defined as the soil moisture level at which the plant cannot recover turgor and wilts, even with additional water. Which statement best captures this concept?
• Which of the following is an alternative rooting hormone to IBA?
• Which soil property is a measure of the soil's ability to hold and exchange cations, influencing nutrient availability and buffering?
• Dwarfing fruit trees is achieved primarily by using which rootstock technique?
• Which term refers to the science and practice of growing vegetables?
• Which statement best defines annual, biennial, and perennial plants?
• The four main parts of a flower are the
• What is the purpose of adding a fungicide to a rooting hormone formulation?
• Green plants cannot live without light because it is necessary for which process?
• Which plant structure moves materials and provides support within the plant?
• Which nutrient deficiency is associated with purplish foliage and slow growth?
• What fundamental plant process relies on light for its occurrence?
• An aspirin may help your plants to prepare for a disease attack.
• What is the primary function of xylem in vascular plants?
• As population increases, how is the horticulture industry expected to change?
• What pH range is generally suitable for most greenhouse crops?