Cengage Horticulture Exam 1 Practice

These questions are part of the practice quiz. Start practicing

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