Montana FFA Agronomy Practice Test

These questions are part of the practice quiz. Start practicing

• In the botanical classification of wheat and barley, where do they differ?
• Which practice enhances the establishment of legumes in grass areas?
• What is sustainable agriculture?
• Which of the following plant types is likely to have flowers that are often showy?
• What structure within leaves is responsible for carrying nutrients?
• What does the sheath of a grass plant do?
• Describe the role of phosphorous in plants.
• What is the minimum test weight per bushel for US number 1 corn?
• Alfalfa has the potential to yield up to ____ tons/acre on good soil.
• Which of the following is a method of soil conservation?
• In which soil type do nutrients tend to be absorbed gradually?
• Which of the following is an ecological practice promoted in sustainable agriculture?
• What is the primary goal of fertilization in agriculture?
• Which soil type is characterized by a mixture of pore spaces?
• Which crop is known as a "C3" plant?
• What is the broadest level of classification of plants and animals?
• What is a consequence of climate change on agriculture?
• What effect do delays in planting dates have on corn yields?
• What is the structure in grass that contains at least one floret and two glumes?
• What do you call the part of the grass inflorescence that consists of a pair of bracts at the base?
• What is referred to as ear-like appendages located at the base of leaf blades?
• Which area is described as the junction between the blade and sheath of a grass leaf?
• Carbon Dioxide + water + Chlorophyll and light energy produces?
• What is the primary purpose of using a plow in agriculture?
• Sunflower heads move toward the sun. This is an example of?
• What is the definition of irrigation in agriculture?
• What is/are an advantage(s) of Red Clover over Alfalfa for use as a pasture or hay crop?
• What is a primary benefit of using integrated pest management?
• How many acres are in a section?
• What is pollination?
• What is the flat part of a leaf in grass plants called?
• When establishing legumes in a grass pasture, what practice should be avoided?
• What is a benefit of using cover crops?
• What crops are examples of monocots?
• What is a common practice to improve soil health?
• How can excessive tillage negatively impact soil health?
• Which method is beneficial for managing soil fertility sustainably?
• When do soybeans typically begin flowering in relation to night length?
• Which of the following best describes characteristics of monocots?
• What impact do herbicides have in agriculture?
• What is the name of the appendages located at the base of leaf blades?
• What is the significance of the USDA's Plant Hardiness Zone Map?
• Which type of soil is best for drainage?
• What does plant pathology study?
• What is not a secondary nutrient?
• Which soil horizon is commonly referred to as topsoil?
• In terms of leaf structure, what is the primary difference between sedges and rushes?
• Which plant type often features triangular, pithy stems and leaves growing on three sides?
• Which of the following is a benefit of irrigation?
• Which type of soil has a low water-holding capacity?
• Which of the following is an environmental benefit of reduced herbicide use?
• Which soil type tends to hold nutrients tightly?
• What is the primary purpose of tillage?
• What is the ideal pH range for most crops?
• What is a defining feature of sedges compared to rushes?
• This micronutrient is deficient in very acid soil, sandy soils and is important for nitrogen fixation in soybeans.
• What effect does wind damage have on plants?
• Explain what a soil amendment is.
• Why is nutrient management critical in agriculture?
• Which of the following is a common use for soft wheat?
• What is the space between two nodes or between a node and another structure called?
• What is the role of mulch-till in conservation practices?
• What is the movement of water and organic materials within the plant known as?
• How can biodiversity benefit agricultural systems?
• What role do earthworms play in soil health?
• What is the main focus of sustainable agriculture?
• Which soil texture has the finest particles?
• Wheat planting should be delayed after the "fly-free" date that ranges from _____ at the Iowa line to _____ at the Arkansas line.
• Which of the following are the three main types of soil particles?
• How is cross-pollination defined?
• What does sustainable weed management primarily aim to achieve?
• How often should soil tests be taken to aid in maintaining a good forage stand?
• Why are oats primarily planted in the north central states?
• What plant factors affect the quality of forages?
• What is the function of the ligule in grasses?
• What is the purpose of soil testing?
• What does "food sovereignty" primarily refer to?
• In the Universal Soil Loss Equation, A=RKLSCP, what does P stand for?
• What type of seed serves as the parent line for registered or certified seed?
• What are the three types of conservation tillage?
• What is a hybrid corn?
• What does soil salinity indicate about agricultural conditions?
• What is the primary goal of crop rotation?
• What is the role of nitrogen in plant growth?
• What is a biennial?
• What does integrated pest management (IPM) focus on?
• Which type of damage occurs when plants are blown by strong winds?
• What is the primary conservation practice to minimize soil erosion?
• Which of the following describes a characteristic of conservation tillage?
• What caused the issue of "Glyphosate Resistant Horseweed"?
• What is the primary purpose of agronomy?
• What are the non-showy florets characteristic of?
• Which of the following is not an advantage of minimum tillage when planting wheat?
• Which type of plant has a hollow, jointed stem known as a culm?
• What tissue transports water and dissolved minerals upwards from the roots?
• What is the ideal stage of maturity for harvesting Reed Canarygrass?
• Which statement is not true regarding conservation tillage?
• What is the ideal pH range for most crop production?
• What is the primary purpose of crop rotation?
• What type of soil has small pore spaces?
• What is commonly used to describe the contamination of grains by certain fungi?
• Which type of soil is known for having the best water-holding capacity?
• What factors greatly influence the productivity of a cornfield?
• What would happen if you planted winter wheat in April?
• What does respiration produce as a byproduct?
• Which soil type allows nutrients to pass through quickly?
• What is the main benefit of using cover crops in agriculture?
• Which of the following is NOT a role of potassium in corn plants?
• What is a legume?
• What is a major benefit of maintaining healthy soil in agriculture?
• What is the main purpose of tillage in crop production?
• What results from soil compaction?
• A product w/ a LD50 of 35 mg/kg is ____ toxic than another w/ a LD50 of 80 mg/kg?
• What pest control method involves using natural predators to manage harmful insects?
• Under what conditions would you increase soybean seeding rate?
• What term describes the structure that consists of two or more branches in plants?
• What shape is associated with barley?
• What is crop rotation?
• What type of root system do monocots typically have?
• Which method can be used to measure soil moisture levels?
• Which practice is least likely to support sustainable agriculture?
• What three conditions must be present for a disease to develop?
• Which of the following describes a potential effect of global warming on pest populations?
• What is the function of magnesium in plants?
• What is the main characteristic of loam soils?
• If you are going to double crop soybeans after wheat, which soybean maturity should be used for your area?
• Which type of soil is typically found in floodplains and is ideal for crop production?
• What is the impact of monoculture farming on soil health?
• What is the majority of the corn produced in the United States (60%) used for?
• Which plant types are the dominant species in a well-maintained pasture, greenland, or range?
• Which of the following is a positive effect of using cover crops?
• At what growth stage is corn most vulnerable to hot temperatures and dry soils?
• Which characteristic of soil affects its ability to retain nutrients?
• What part of a chromosome determines individual plant characteristics?
• What type of tillage leaves at least 30% of residue on the soil surface?
• What is the primary benefit of crop rotation?
• What is the fancy name for a grass stem?
• For each 1% of organic matter in the soil, how many pounds of nitrogen per acre may be available for wheat or small grain use?
• What is a monoculture in agriculture?
• Which type of seed requires labeling by law?
• If you were a plant breeder and wanted to go to the origin of soybeans in order to find resistance to rust, where would you go?
• What are the bristle-like structures that stick out of the lemma called?
• What is the ideal stage of maturity for alfalfa?
• What type of seed is utilized to produce foundation seed?
• What are GMOs?
• What is a key component of integrated pest management?
• What is included in a floret of a grass plant?
• Which invasive weed is known to impact agriculture?
• Which process do plants use to convert sunlight into energy?
• Which of the following is not true?
• Which soil type is characterized by high permeability?
• What does agroecology primarily emphasize?
• What plant part connects the stem to the leaf?
• Applying herbicides directly to cotton is harmful to the cotton because it is
• Which nutrient is primarily responsible for root development?
• Which is a common method for managing weeds in IPM?
• How does climate impact agronomy?
• Which term refers to the below ground, horizontal stems that can reproduce asexually?
• What type of tillage would be used to break up compacted layers of soil?
• Protein content from soybean seed will range from?
• Why is cotton production limited in northern climates?
• If a seed tag stated percent germination at 80% and the purity at 80%, what is the pure live-seed ratio?
• Forage legumes are known to have what level of digestible protein compared to grasses?
• Which soil type is known for being nutrient-rich?
• What term refers to the part of a stem that is jointed?
• At what growth stage does the stem extend and leaves multiply?
• What defines a sustainable agricultural practice?
• How can nitrogen be fixed in agricultural soil?
• What is one benefit of organic matter in soil?
• What is only found in a monocot seed?
• What is the role of mycorrhizae in plant health?
• Which factor is essential for effective crop rotation?
• Which of the following soils is most likely to cause drainage issues due to high water retention?
• What term describes the inability of soil to hold water?
• How many growing degree days are there if the maximum temperature was 85 and the minimum was 55?
• Which type of soil typically has large pore spaces?
• What is a common method to improve soil fertility?
• Which structure is essential for the developmental process of grass florets?
• This is the source of food for the new seedling until new leaves develop.
• What is a key economic benefit of crop diversification?
• What are the basic units of the grass inflorescence that can vary in number and arrangement?
• The plants reaction to light stimulating flower development is related to?
• Why are weeds considered pests in agriculture?
• Which of these grasses is not a warm-season grass?
• Which plant type is characterized by having showy flowers, woody stems, and net veination?
• If a soil test calls for 1200 ENM per acre, how many tons of lime should be applied?
• Moisture levels higher than ___% lead to dry matter and quality loss due to heating and molding of the hay.
• How many sections are there in a township?
• What are the two components that make up a spikelet in grass?
• What is agroforestry?
• What is the difference between rotational grazing and management intensive grazing?
• Which soil particle type is the largest in size?
• Which elements do plants obtain from the air?
• How does crop insurance benefit farmers?
• What does the term "fall tillage" refer to?
• Which nutrient is crucial for the development of the root system in wheat and small grains?
• How does crop diversity benefit an ecosystem?
• What is the Grower's Degree Day (GDD) used for?
• What is a benefit of leaving crop residue on the planting field?
• Which type of soil is known for its high water-holding capacity?
• What is the most common method of planting rice?
• Which nutrient management program is widely recognized?
• What happens to the growth of a plant that experiences wind damage?
• What is the main axis of an inflorescence called?
• What is hydroponics?
• Which nutrient is essential for photosynthesis in plants?
• Which of the following factors can increase agricultural yield?
• Most dicots have what type of germination and emergence?
• Which fungus is known to contaminate rye and wheat?
• What does genetic modification in crops involve?
• What does the term "integrated pest management" refer to?
• If a seed tag stated percent germination at 80% and the purity at 90%, what is the pure live-seed ratio?
• What is the Cation Exchange Capacity of a soil?
• What is a cover crop?
• How does global warming impact agronomy?
• What symptom is indicative of phosphorus deficiencies in young plants that have been exposed to good growing conditions after cool, wet weather?
• Which soil is typically associated with low water retention?
• Which shape best describes alfalfa?
• Which of the following is NOT a benefit of proper soil management?
• Which plant species is not usually cultivated for agricultural production?
• What problem can high soil salinity cause in crops?
• With everything else being equal, which soil conditions cause the deepest soil compaction?
• What type of farming practice emphasizes the balance of ecological health and agricultural productivity?
• Which of the following practices would NOT be considered sustainable?
• What is the primary purpose of herbicides?
• In fertilizer analysis, what does K represent?
• What is the most effective method of determining insect levels in a field?
• What characteristic do rushes generally have compared to sedges?
• How can farmers effectively manage soil erosion?
• What essential nutrient is primarily responsible for root development?
• What essential role do pollinators play in agronomy?
• What role do beneficial insects play in sustainable agriculture?
• If you were interested in producing mid-summer annual legume forage on droughty soils, which legume would you choose?
• Name a legume that is commonly used as a cover crop.
• What is the effect of high soil pH on nutrient availability?
• What is required for germination?
• What are DD-60s in cotton production?
• What does soil pH affect?
• What is seed inoculation?
• Which component is essential for assessing the price of cotton lint?
• What is the term used for yellowing of leaf tissue due to a lack of chlorophyll?
• What is the primary reason for implementing agroforestry systems?
• What is a characteristic(s) of soybean cyst nematode infection?
• Why is crop yield mapping significant in farming?
• What agricultural practice can help combat soil erosion in hilly areas?
• Why are rice fields flooded aside from providing water for crops?
• What are the signs of over-fertilization in plants?
• What is the significance of a soil profile?
• Which type of stem reproduces asexually above ground?
• What is "tillage erosion"?
• What plant disorder is characterized by yellowing of leaves and is often a result of iron deficiency?
• What is the difference between annual and perennial crops?
• Which type of soil has a smooth texture due to fine particles?
• What is the main advantage of precision agriculture?
• What identifying feature distinguishes forbs from other plant types?
• What does organic farming aim to avoid?
• How do plants contribute to air quality?
• Which term describes the openings where leaves start to open into the blade of a grass plant?
• What nutrient deficiency is known to cause chlorosis in plants?
• What are the primary macronutrients required for plant growth?