Cengage Horticulture Exam 1 Practice

These questions are part of the practice quiz. Start practicing

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