Multiple
Choice
Identify the letter of the choice that best completes the statement or answers the
question.
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| 1. | Generally, which nutrient
deficiency causes leaf margins to turn yellow? a. | phosphorus | b. | iron | c. | potassium | d. | sulfur | | | | | | | | |
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| 2. |
Farmer Bison wants to apply a total of 300
pounds of nitrogen per acre on his corn field. He has spread 10 tons per acre of dry manure with an
average analysis of 17 pounds of nitrogen per ton. how many additional pounds of nitrogen must he
apply? a. | 100 | c. | 283 | b. | 130 | d. | None. He has applied enough
already. | | | | |
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| 3. | Over 50% of the worlds
food supply comes from three crop species. They are... a. | corn, soybeans and wheat | c. | rice, potatoes and wheat | b. | corn, rice and wheat | d. | soybeans, corn and rice | | | | |
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| 4. | The weeds in your field are
turning white. Which of the following herbicide types would most likely cause such injury?
a. | cell membrane disrupter | c. | pigment inhibitor | b. | growth regulator | d. | amino acid inhibitor | | | | |
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| 5. | Farmer Jones has a half section
of dryland wheat in western Kansas. He has his wheat custom harvested and is quoted a cost of $10 per
acre plus $.20 per bushel. Jones expects a yield of 50 bushels per acre. What are his harvest costs
per acre?
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| 6. | How many acres are there in a
rectangular parcel of land that measures 800 feet long and 520 feet wide?
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| 7. | Looking at an Atrazine 4F
label, what does the F stand for? a. | fine mixed | c. | first added | b. | flowable | d. | a strength rating | | | | |
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| 8. | The vascular tissue in a crop
plant that conducts water is the... a. | phloem | c. | parenchyma | b. | xylem | d. | none of these are correct. | | | | |
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| 9. | Which of the following crops is
an example of a monocot? a. | cauliflower | b. | buckwheat | c. | tall fescue | d. | soybean | | | | | | | | |
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| 10. | The smallest particle in soil
is? a. | sand | c. | clay | b. | silt | d. | all of these are correct.
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| 11. | Anhydrous ammonia contains
approximately 82% nitrogen. You want to apply 190 pounds of nitrogen per acre on 235 acres of
sorghum. If anhydrous is $300 per ton, how much will it cost you to apply the desired level of
nitrogen? a. | $6697 | b. | $5492 | c. | $8168 | d. | $6714 | | | | | | | | |
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| 12. | Which of the following
nutrients is most mobile in the plant? a. | nitrogen | b. | phosphorus | c. | calcium | d. | magnesium | | | | | | | | |
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| 13. | Your rice plant has yellow
lower leaves. The newer leaves appear green. The intermediate leaves show yellowing from the tip down
the midrib. Which nutrient deficiency possibly caused this damage? a. | phosphorus | b. | boron | c. | nitrogen | d. | manganese | | | | | | | | |
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| 14. | When determining the yield of a
grain crop, you need to know... a. | the exact acreage
harvested | c. | the moisture content of the grain | b. | the weight of grain harvested | d. | all of these are
correct | | | | |
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| 15. | Which of the following groups
of essential elements are classified as Secondary? a. | N, K and Ca | c. | Mg, Ca and S | b. | P, N and K | d. | N, P and S | | | | |
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| 16. | High salts in soil can create
damage due to... a. | direct damage to roots | b. | damage to roots in the absence of water | c. | damage to roots in the presence of water | d. | salts do not damage crops | | |
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| 17. | Which of the following soil
types would have the greatest potential to need annual lime applications? a. | sand | c. | silt loam | b. | sandy clay
loam | d. | muck | | | | |
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| 18. | What part of a plant cell
contains chlorophyll? a. | mitochondria | b. | nucleus | c. | chloroplast | d. | cell wall | | | | | | | | |
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| 19. | The plant process of turning
water and nutrients into sugar is called_________. a. | respiration | c. | denitrification | b. | photosynthesis | d. | leaching | | | | |
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| 20. | Which of the following
herbicide modes of action would most likely turn veins in the leaves red? a. | growth regulators | c. | cell membrane disrupters | b. | pigment inhibitors | d. | none of these are correct. | | | | |
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| 21. | Which of the following soil
types would have the greatest problem with leaching? a. | clay | c. | sand | b. | silt | d. | all about the
same | | | | |
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| 22. | Which of the following insects
is necessary for pollinating cucumbers, squash, watermelon and cantaloupe? a. | Japanese beetle | c. | Grasshopper | b. | Lady
beetle | d. | None of these are correct | | | | |
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| 23. | Which of the following diseases
are bacteria most likely to cause? a. | Verticilium, Rhizoctonia or Fusarium stalk
rots | b. | Smuts | c. | Vegetable Soft
Rots | d. | Tobacco Mosaic (TMV), Tomato Spotted Wilt
(TSWV) | | |
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| 24. | You are applying Prowl 3.3EC at
a rate of 2 pints per acre using 20 gallons of water per acre of application. You are traveling at
4.5 MPH. The field size is 1000 ft. X 1089 ft. The nozzles are 20 inches apart. How much herbicide
and water will you need to treat the field? a. | 6.25 gallons of Prowl and 500 gallons of
water | b. | 50 gallons of Prowl and 500 gallons of water
| c. | 10 gallons of Prowl and 200 gallons of water | d. | 500 gallons of Prowl and 20 gallons of water | | |
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| 25. | Which of the following
formulations would be least damaging to spray equipment?
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| 26. | Farmer Moose has a center pivot
sprinkler irrigating 200 acres of pinto beans. To control weeds he will chemigate 4.2 ounces of
herbicide per acre on his field. How many gallons of herbicide must he use to do this
application?
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| 27. | You are spraying a peanut field
with pre-emergence herbicide. You are traveling at 9 MPH. The nozzles are 30 inches apart. You are
using 8 gallons of spray per acre. What is your nozzle output? a. | .5 GPM | b. | .36 GPM | c. | .25 GPM | d. | .20 GPM | | | | | | | | |
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| 28. | A bushel of corn at 15.5%
moisture weighs 56 pounds. How much does a bushel of corn weigh at 17% moisture?
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| 29. | Which nutrient is responsible
for energy transformation? a. | nitrogen | b. | manganese | c. | phosphorus
| d. | magnesium | | | | | | | | |
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| 30. | When a crop seed is planted,
what is the first structure to emerge from the seed? a. | plumule | b. | radicle | c. | nodal roots | d. | cotyledons | | | | | | | | |
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| 31. | The endosperm is
_______________ to an emerging seed. a. | the starchy food
source | c. | protection for the plumule | b. | the first
root | d. | the embryo | | | | |
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| 32. | What is the singe most
important concept in pesticide application? a. | reading the label
| c. | sprayer calibration | b. | personal protective
equipment | d. | cleaning out the spray tank | | | | |
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| 33. | Which of the following
statements appears on all pesticide labels? a. | poison | c. | may be harmful if
swallowed | b. | keep out of reach of children | d. | danger | | | | |
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| 34. | A pesticide that can only be
handled and applied by a certified applicator is called a ______________ use pesticide.
a. | restricted | b. | general | c. | special | d. | licensed | | | | | | | | |
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| 35. | What is the main purpose for
flooding rice during production? a. | improved soil
aeration | c. | increased nitrogen uptake | b. | weed
control | d. | none of these are right | | | | |
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| 36. | Peanut plants
grow...... a. | with pods forming from flowers above ground | b. | with pods forming at the end of pegs below ground | c. | with nodules forming on the roots that become nuts | d. | with pods in the axils of branches and petioles | | |
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| 37. | Soybeans are in the same family
as ____________, which are legumes. a. | wild mustard
| b. | carrot | c. | alfalfa | d. | cotton | | | | | | | | |
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| 38. |
Corn showing the collar of the
thumb-shaped first leaf is at the ____________ growth stage.
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| 39. | Nematodes are ____________.
a. | parasitic round worms | c. | bacteria | b. | fungi | d. | virus | | | | |
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| 40. | Which of the following insects
is best described as a beetle with copper colored wings and a jade green head? a. | armyworm | c. | Japanese beetle | b. | bean leaf
beetle | d. | Tomato hornworm | | | | |
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| 41. | Farmer Brian wants to plant his
125 acre corn field with a population of 32,000 plants per acre. The seed he will purchase has 80,000
kernels per bag. The germination rate is 99%. How many bags of seed does he need to
purchase? a. | 51 bags | b. | 48 bags | c. | 94 bags | d. | 12 bags | | | | | | | | |
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| 42. | What is the primary
reason farmers dont save seed from their hybrid corn for planting in subsequent
years? a. | it may be illegal | b. | seed germination will be too low | c. | it will not perform as well as the original hybrid | d. | too much trouble with storage | | |
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| 43. | The first true leaves on a
soybean plant are _______________. a. | cotyledons
| b. | unifoliate | c. | trifoliate | d. | parallel veined | | | | | | | | |
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| 44. | Which of the following is a
micro-nutrient that would cause the leaves to appear somewhat striped when the pH is high and it
becomes deficient? a. | zinc | b. | boron | c. | calcium | d. | potassium | | | | | | | | |
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| 45. | How is a tobacco field
planted? a. | seeded broadcast | c. | planted using a no-till
drill | b. | transplanted seedlings | d. | planted using a conventional
planter | | | | |
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| 46. | You are looking over you smooth
bromegrass pasture. You notice some black structures growing on a few of the seeds on some of the
seedheads. Yo might have seen this on cereal grains such as rye, wheat, barley and rice. Which of the
following diseases might this be? a. | Ergot | b. | Stem Rot | c. | Root Rot | d. | Botrytis | | | | | | | | |
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| 47. | You have just harvested 120
tons of silage from 7.5 acres. The moisture of the silage is 65%. What is the dry matter yield per
acre? a. | 16 tons per acre | c. | 5.6 tons per
acre | b. | 10.4 tons per acre | d. | none of these are
right | | | | |
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| 48. | Which of the following insects
is considered a beneficial of predatory insect? a. | Japanese
beetle | c. | Lady beetle | b. | Mexican bean
beetle | d. | Aphids | | | | |
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| 49. | You have a sand content of 31%
and a silt content of 43%. How much clay is present in this soil sample?
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| 50. | Which of the following soil
types would have the most severe drainage problems? a. | sandy loams | c. | clay loams | b. | clays | d. | silty clay loams | | | | |
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