Cengage Horticulture Exam 1 Practice

These questions are part of the practice quiz. Start practicing

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