Cengage Horticulture Exam 1 Practice

These questions are part of the practice quiz. Start practicing

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