Unofficial questions for Oklahoma's OSAT Agricultural Education test, field 042, spread over its six subareas.
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Unofficial practice questions, not affiliated with Oklahoma's Office of Educational Quality and Accountability or Pearson. Bank checked October 15, 2026.
Subarea I: Agricultural business, economics and marketing 6
A pecan grower settles on shelled halves in one-pound bags, a price per bag, free samples, and sale at farmers' markets. In the marketing mix, which element is the choice of farmers' markets?Wikipedia, Marketing mix, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0003 (agricultural marketing).
A rancher plants a quarter section to wheat when he could have leased it out for grazing. In economics, what is the lease income he gave up?Wikipedia, Opportunity cost, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0002 (agricultural economic principles and policies).
At planting a wheat farmer sells contracts to deliver his expected crop at harvest at a price set today. What is the purpose of this hedge?Wikipedia, Hedge (finance), Agricultural commodity price hedging (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0001 (agricultural business ownership and management).
The first 40 pounds of nitrogen on an acre adds 12 bushels of wheat, the next 40 adds 7 and the next 40 adds 2. Which principle does this show?Wikipedia, Diminishing returns, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0002 (agricultural economic principles and policies).
In the United States, a multi-ingredient food labeled simply "organic" must contain at least what share of organic ingredients?Wikipedia, Organic certification, United States (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0003 (agricultural marketing).
Wheat growers in one county jointly own a grain elevator that markets, stores and ships its members' crop. Which form of business is this?Wikipedia, Agricultural cooperative, Manufacturing/Marketing Cooperative (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0001 (agricultural business ownership and management).
Show all 52 questions (46 more)
Subarea II: Animal science 11
A dairy calf gets no colostrum on its first day of life. What usually follows, and why?Wikipedia, Colostrum, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0005 (animal nutrition and health).
A producer breeds Hereford cows to an Angus bull, and the calves gain faster than the average of the two parent breeds. What is this effect called?Wikipedia, Heterosis, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0004 (animal anatomy, physiology, reproduction and genetics).
A rancher wants calves without horns. His polled bull sires a horned calf out of a horned cow. Since polled is dominant, what does that calf show about the bull?Wikipedia, Polled livestock, Genetics (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0004 (animal anatomy, physiology, reproduction and genetics).
A sow is bred on April 1. About when should the producer expect her to farrow?Wikipedia, Pig, Reproduction (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0004 (animal anatomy, physiology, reproduction and genetics).
A stocker operator divides a pasture into eight paddocks and moves the herd every few days so each paddock regrows. What is this system called?Wikipedia, Rotational grazing, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0006 (animal production systems and safe handling).
In a warm, wet summer a goat shows pale eyelids and a soft swelling under the jaw. Which internal parasite, a blood feeder in the abomasum, is the likely cause?Wikipedia, Haemonchus contortus, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0005 (animal nutrition and health).
Lactating cows on lush, fast-growing spring pasture begin to stagger, and grass tetany is suspected. Which mineral is low in their blood?Wikipedia, Grass tetany, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0005 (animal nutrition and health).
USDA quality grades for beef, such as Prime, Choice and Select, rest on the maturity of the carcass and on which other trait?Wikipedia, Beef carcass classification, United States (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0006 (animal production systems and safe handling).
What is a male pig called when it was castrated before puberty?Wikipedia, Pig farming, Terminology (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0006 (animal production systems and safe handling).
Which bacterial disease, in cattle known for the contagious abortion it causes in herds, passes to people mainly through unpasteurized milk?Wikipedia, Brucellosis, lead and History (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0005 (animal nutrition and health).
Which compartment of a cow's stomach is the fourth and last, the one that secretes rennet?Wikipedia, Abomasum, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0004 (animal anatomy, physiology, reproduction and genetics).
Subarea III: Plant and soil science 11
A fertilizer spreader takes sensor and satellite data for a field and changes its rate from spot to spot as it crosses. Which precision-farming tool is this?Wikipedia, Precision agriculture, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0010 (production systems for crops and rangelands).
A fruit-ripening room is filled with a gas that makes green fruit ripen evenly before sale. Which plant hormone is the gas?Wikipedia, Ethylene (plant hormone), lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0008 (plant anatomy, physiology, reproduction and genetics).
A grower grafts a named pecan cultivar onto a seedling tree. In the graft, what is the scion?Wikipedia, Grafting, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0008 (plant anatomy, physiology, reproduction and genetics).
A producer spreads 200 pounds of 18-46-0 fertilizer on an acre. How many pounds of nitrogen went on that acre?Wikipedia, Labeling of fertilizer, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0007 (principles of soil science).
A scout counts aphids in a wheat field and finds fewer than the level at which the damage would cost more than treating. Under integrated pest management, what should the grower do?Wikipedia, Integrated pest management, Principles (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0009 (plant nutrition and disease).
A soil test for a wheat field reports a pH of 5.2. Which amendment is spread to raise the pH?Wikipedia, Agricultural lime, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0007 (principles of soil science).
By weight, a garden soil is two parts sand, two parts silt and one part clay. Which textural class is that?Wikipedia, Loam, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0007 (principles of soil science).
Corn leaves turn pale yellow starting at the tips of the oldest, lowest leaves, while the new growth stays green. Which nutrient is most likely short?Wikipedia, Nitrogen deficiency, Symptoms and Detection (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0009 (plant nutrition and disease).
The front panel of a pesticide container reads WARNING. Into which toxicity category do the federal labeling rules put the product?Code of Federal Regulations, 40 CFR 156.64(a), Signal word (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0009 (plant nutrition and disease).
Which set of traits marks wheat, corn and sorghum as monocots?Wikipedia, Monocotyledon, lead and Description (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0008 (plant anatomy, physiology, reproduction and genetics).
Winter wheat is sown in the fall and harvested the next summer. Why does it need the winter?Wikipedia, Winter wheat, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0010 (production systems for crops and rangelands).
Subarea IV: Agricultural mechanics 10
A 120-volt circuit feeds an 1,800-watt stock tank heater. How much current does the heater draw?Wikipedia, Watt, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0012 (fabrication, construction and irrigation).
A fence crew checks a corner by marking 3 feet from the post along one line and 4 feet along the other. Which distance between the two marks proves a right angle?Wikipedia, Pythagorean triple, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0012 (fabrication, construction and irrigation).
A lumber order is 10 boards, each 1 inch thick, 8 inches wide and 12 feet long. How many board feet is the order?Wikipedia, Board foot, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0012 (fabrication, construction and irrigation).
A tractor is fitted with a rollover protective structure. What must the operator also use for it to be almost fully effective in an overturn?Wikipedia, Rollover protection structure, Agricultural tractors (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0011 (power equipment and small engines).
How is a typical small two-stroke gasoline engine, such as a chainsaw's, lubricated?Wikipedia, Two-stroke engine, Emissions (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0011 (power equipment and small engines).
In a four-stroke engine, during which stroke are both valves closed while the piston rises?Wikipedia, Four-stroke engine, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0011 (power equipment and small engines).
The piston in a log splitter's hydraulic cylinder has an area of 12 square inches and must push with 30,000 pounds of force. What pressure must the pump supply?Wikipedia, Pascal's law, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0011 (power equipment and small engines).
The rear power take-off shaft of a tractor has six splines. At what standard speed is it designed to turn?Wikipedia, Power take-off, Technical standardization (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0011 (power equipment and small engines).
Which arc welding process feeds a continuous solid wire through a gun while a bottled gas shields the weld?Wikipedia, Gas metal arc welding, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0012 (fabrication, construction and irrigation).
Why is a newly poured concrete slab kept moist for several days?Wikipedia, Concrete, lead and Curing (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0012 (fabrication, construction and irrigation).
Subarea V: Environment and natural resources 9
A cotton field is abandoned. Over the years annual weeds give way to grasses, then shrubs, then trees. What is this process?Wikipedia, Secondary succession, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0013 (ecological principles, agriculture and the environment).
A landowner keeps a strip of trees and grass along both banks of a creek that crosses his cropland. What is the main purpose of this riparian buffer?Wikipedia, Riparian buffer, lead and Benefits (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0013 (ecological principles, agriculture and the environment).
A ranch's habitat can support about 60 white-tailed deer year after year without being degraded. What is that number called?Wikipedia, Carrying capacity, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0014 (natural resources conservation and management).
Irrigators in the Oklahoma Panhandle pump from the Ogallala Aquifer. Why is that groundwater often treated as a nonrenewable resource?Wikipedia, Ogallala Aquifer, lead and Change in groundwater storage (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0014 (natural resources conservation and management).
Runoff carries nitrogen and phosphorus from fields into a farm pond, the water turns green, and fish die. What killed the fish?Wikipedia, Eutrophication, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0013 (ecological principles, agriculture and the environment).
Soybeans and alfalfa need little nitrogen fertilizer. Where does most of their nitrogen come from?Wikipedia, Rhizobia, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0013 (ecological principles, agriculture and the environment).
Under any surface layer of plant litter, with which master horizon does the mineral soil usually begin, the surface soil where most organic matter collects?Wikipedia, Soil horizon, Horizon sequence (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0014 (natural resources conservation and management).
Under the Multiple-Use Sustained-Yield Act of 1960, for what are the national forests to be managed?Wikipedia, Multiple-Use Sustained-Yield Act of 1960, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0014 (natural resources conservation and management).
What is the chief drawback of wind turbines as a source of electricity?Wikipedia, Wind power, Wind farms and Variability (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0014 (natural resources conservation and management).
Subarea VI: Foundations of agricultural education 5
A student works for wages at a veterinary clinic after school and keeps records of her hours and skills. Which type of supervised agricultural experience is this?Wikipedia, National FFA Organization, Supervised agricultural experience (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0017 (careers in agriculture and career development).
An agricultural education program is drawn as three linked parts. Classroom and laboratory instruction is one, and FFA is another. What is the third?Wikipedia, Agricultural education, High school (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0015 (foundations of agriculture and agricultural education).
At a chapter meeting a member moves the previous question to close debate. Under Robert's Rules of Order, what vote does that motion need?Wikipedia, Previous question, Robert's Rules of Order (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0016 (communication and leadership skills).
Which federal law first gave the states money for vocational agriculture classes in public high schools?Wikipedia, Smith–Hughes Act, lead (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0015 (foundations of agriculture and agricultural education).
Which officer of an FFA chapter is stationed by the door?Wikipedia, National FFA Organization, Constitutional officers (read 2026-10-15). Outline: OSAT Agricultural Education (042) test framework, competency 0016 (communication and leadership skills).
How this list was compiled: Our own questions, written to the test design and framework of Oklahoma Subject Area Tests field 042, Agricultural Education, in the study guide on the Certification Examinations for Oklahoma Educators website (https://www.ceoe.nesinc.com/Content/StudyGuide/OK_SG_OBJ_042.htm, copyright 2015 Office of Educational Quality and Accountability and Pearson Education, Inc.; test page https://www.ceoe.nesinc.com/TestView.aspx?f=HTML_FRAG/OK042_TestPage.html, read 2026-10-15): 80 selected-response questions and 1 constructed-response assignment in 4 hours, passing score 240; selected response weighs Agricultural Business, Economics, and Marketing (competencies 0001 to 0003) 11%, Animal Science (0004 to 0006) 19%, Plant and Soil Science (0007 to 0010) 18%, Agricultural Mechanics (0011 to 0012) 17%, Environmental Science and Natural Resources (0013 to 0014) 15% and Foundations of Agricultural Education (0015 to 0017) 5%, and the constructed response, on the Foundations subarea, 15%. The bank holds 52: 6, 11, 11, 10, 9 and 5. Every fact was read on 2026-10-15 on the public page named under its question: the named Wikipedia articles and, for the pesticide signal words, the Code of Federal Regulations (40 CFR 156.64). Licence: Questions, choices and explanations are original work of this site.
How it works
Fifty-two unofficial questions of our own for field 042, the OSAT for agricultural education teachers, free to use. The test belongs to Oklahoma's Office of Educational Quality and Accountability and Pearson, and this site is affiliated with neither.
Read the full guide
OSAT Agricultural Education (042): six subareas
By the framework read October 15, 2026, selected response covers agricultural business, economics and marketing, 11% of the test; animal science, 19%; plant and soil science, 18%; agricultural mechanics, 17%; environmental science and natural resources, 15%; and foundations of agricultural education, 5%. This bank holds 6, 11, 11, 10, 9 and 5.
The written assignment
One constructed-response assignment carries the other 15%. It is set on the Foundations subarea, which takes in the agricultural education program, FFA and supervised agricultural experience. These questions do not rehearse that writing.
With 5% in selected response and 15% in writing, Foundations of Agricultural Education is a fifth of the test.
The test page for field 042 gives appointments during specific testing windows, at test centers only.
Questions and answers
How many questions are on the OSAT Agricultural Education test?
Eighty selected-response questions across six subareas and one written assignment on the foundations of agricultural education. With its tutorial the appointment runs 4 hours and 15 minutes.
What is the passing score for OSAT Agricultural Education?
240, by the test page. The written assignment on Foundations is part of that score, so a tally of right answers here says nothing about where a candidate stands on the scale.
What is on the OSAT Agricultural Education test?
Farm business, economics and marketing; livestock anatomy, nutrition, health and production; soils, plants, pests and crops; engines, power equipment, welding, construction and irrigation; ecology and conservation; and agricultural education itself, with FFA and supervised agricultural experience.
Is this OSAT Agricultural Education practice test free?
Free, with no account. All 52 questions were written for this page from public sources; the real test, its sample questions and the official practice test were not used.