Cengage Horticulture Exam 1 Practice

These questions are part of the practice quiz. Start practicing

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