Cengage Horticulture Exam 1 Practice

These questions are part of the practice quiz. Start practicing

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