Multiple
Choice
Identify the letter of the choice that best completes the statement or answers the
question.
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| 1. | Which of the following is a
warm season (C4) grass? a. | orchardgrass | c. | tall fescue | b. | Kentucky
bluegrass | d. | none of these are correct | | | | |
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| 2. | In which of the following
growth stages would a wheat plant joint? a. | Feekes Scale
6 | c. | Feekes Scale 3 | b. | Feekes Scale
10 | d. | None of these are correct | | | | |
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| 3. | Which of the following plants
is a monocot? a. | cotton | c. | corn | b. | alfalfa | d. | buckhorn
plantain | | | | |
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| 4. | Which soil component has the
largest particle size? a. | clay | b. | silt | c. | sand | d. | loam | | | | | | | | |
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| 5. | Which of the following would be
a disadvantage for applying manure to a field? a. | increased organic
matter | c. | added soil nutrients | b. | potential nitrogen
runoff | d. | all of these advantages | | | | |
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| 6. | You are spraying a field at 8
MPH. Your nozzle output is 0.15 GPM. The nozzles are 20 inches apart. How much spray mixture do you
need per acre? a. | 5.6 gallons | b. | 8.2
gallons | c. | 15 gallons | d. | 2.0 gallons | | | | | | | | |
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| 7. | Peanut is in the same family as
__________. a. | cotton | b. | corn | c. | alfalfa | d. | pigweed | | | | | | | | |
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| 8. | What is the most important
practice in pesticide application? a. | read the
label | c. | sprayer calibration | b. | personal protective
equipment | d. | pesticide rate | | | | |
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| 9. | which of the following
statements appears in some form on every pesticide label? a. | Danger | c. | Avoid eye contact | b. | Keep out of reach of
children | d. | Do not inhale dust | | | | |
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| 10. | Which of the following weed
species is a biennial? a. | dandelion | b. | pigweed | c. | wild carrot
| d. | quackgrass | | | | | | | | |
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| 11. | Generally, which of the
following nutrient deficiencies causes interveinal chlorosis? a. | potassium | b. | nitrogen | c. | manganese | d. | sulfur | | | | | | | | |
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| 12. | Which of the following
nutrients is least mobile in soil solution? a. | potassium | b. | nitrogen | c. | boron | d. | copper | | | | | | | | |
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| 13. | “The Law of the
Minimum” states that: a. | The least available nutrient will limit
yield | b. | The most available nutrient will limit yield | c. | Yield is not limited by fertility | d. | The highest yields are achieved by low soil fertility | | |
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| 14. | Which of these nutrients is
considered a secondary nutrient? a. | Phosphorous
| b. | Potassium | c. | Calcium | d. | Zinc | | | | | | | | |
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| 15. | You are applying Atrazine 4EC
at a rate of 2 quarts per acre using 10 gallons of water per acre of application. You are
traveling at 4.5 MPH. The field size is 871 ft. X 1000 ft. The nozzles are 20 inches
apart. How much herbicide and water will you need for the field? a. | 6.25 gallons of atrazine and 500 gallons of water | b. | 10 gallons of atrazine and 500 gallons of water | c. | 10 gallons of atrazine and 200 gallons of water | d. | 500 gallons of atrazine and 20 gallons of water | | |
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| 16. | Soil herbicides that exhibit
differential selectivity is generally based on what? a. | placement | b. | differential
metabolism | c. | physiological morphogensis | d. | Both placement and differential metabolism | | |
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| 17. | Which of these nutrients must
be applied annually for grass crops? a. | nitrogen | b. | manganese | c. | phosphorus | d. | iron | | | | | | | | |
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| 18. | Why would you add a surfactant
to a pesticide for application? a. | to enhance adsorption of the
pesticide | b. | to aid in spreading and sticking of the
pesticide | c. | to enhance the pesticide’s
rain-fastness | d. | all of these are correct | | |
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| 19. | Which of these crops uses the
most nitrogen? a. | corn | b. | potatoes | c. | alfalfa | d. | cotton | | | | | | | | |
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| 20. | A black layer at the base of a
corn kernel taken from an ear of corn in the field indicates: a. | disease | c. | weevil damage | b. | drought | d. | physiological
maturity | | | | |
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| 21. | Regardless of crop, an accurate
estimate of a plant population per acre can be obtained by counting the number of plants in a length
of row equal to one one-thousandth (1/1000) of an acre. How many feet equals one one-thousandth
of an acre based on a 30 inch row spacing? a. | 17 feet 5
inches | c. | 16 feet 4 inches | b. | 18 feet 2
inches | d. | 20 feet | | | | |
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| 22. | What is the appropriate term
for when a potato plant ceases reproductive growth? a. | Natural Senescence | c. | R12 | b. | Death | d. | Dissemination
Point | | | | |
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| 23. | The _________ method of
determining soybean plant population is an accurate method to use for solid-seeded soybean
fields. a. | Hula-Hoop | b. | Brown-Ackley | c. | IRR (Indeterminate Rate of Rationalization) | d. | Jump rope | | |
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| 24. | Your durum wheat crop has a
black growth in the florets in place of seed. The material spreads when the wind blows.
Which pathogen is most likely to have caused this disease? a. | nematode | b. | virus | c. | bacteria | d. | fungi | | | | | | | | |
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| 25. | If the recommended seeding rate
for wheat is 13 to 21 seeds per foot within a 7 inch row, what would happen if the rate was increased
to 50 seeds per foot within a 7 inch row? a. | nothing would occur
| b. | disease and lodging would increase | c. | increased yield would result in better straw | d. | an increase in tiller numbers | | |
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| 26. | Forage quality is directly
related to: a. | plant maturity | c. | forage species | b. | animal performance | d. | all of these are correct | | | | |
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| 27. | Given the atomic weight of
potassium is 39.1 and oxygen is 16, what is the percentage of potassium in 100 pounds of
K2O? a. | 83% | c. | 39.1% | b. | 42% | d. | none of these are
correct | | | | |
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| 28. | Which of the following forage
species contain endophytes that can cause blood flow problems in cattle and sheep? a. | tall fescue | b. | timothy | c. | alfalfa | d. | white clover | | | | | | | | |
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| 29. | Which of the following weeds
contain compounds (alkaloids) that are toxic to animals? a. | redroot pigweed | c. | jimsonweed | b. | common
lambquarters | d. | onion | | | | |
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| 30. | Recent research with annual
ryegrass forage has demonstrated that about 50% of the seedlings do not survive. Assume 50
seedlings per square foot to attain an adequate stand. Your seed germination rate is 90%.
How many seeds, per square foot, do you need to plant to attain an adequate stand?
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| 31. | A 5 ton yield of alfalfa hay
removes about 280 pounds of nitrogen form the soil. How many pounds of ammonium nitrate (33.5%
N) would you need to apply to replace this nutrient removal? a. | 836 pounds | c. | none of these are correct | b. | 94 pounds | d. | 280 pounds | | | | |
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| 32. | Why do some plants not regrow
after they are cut? a. | they are annuals | b. | they are determinant | c. | they are
indeterminate | d. | Both they are annuals and they are determinant are
correct | | |
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| 33. | The selectivity of a herbicide
is a measure of the: a. | herbicide’s ability not to go off
target (i.e. no drift, runoff, etc.) | b. | toxicity to
humans | c. | time it will remain active in the soil | d. | species of weeds it will kill or control | | |
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| 34. | Which of the following crops
are usually propagated by vegetative material? a. | sugarcane and sugar
beets | c. | sugarcane and asparagus | b. | sugarcane and
bermudagrass | d. | potatoes and rice | | | | |
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| 35. | The best pH range for most
crops is: a. | 5.0-5.5 | b. | 5.5-6.0 | c. | 6.0-7.0 | d. | 7.0-8.0 | | | | | | | | |
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| 36. | The most productive soils
are: a. | Those with high fertility, good drainage and good tilth | b. | Those with moderate fertility, poor drainage and good tilth | c. | Those with good fertility, poor drainage and poor tilth | d. | Those with adequate fertility, drainage and tilth | | |
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| 37. | A leaflet would be a
characteristic of a _________ plant. a. | crownvetch | c. | yellow nutsedge | b. | wheat | d. | Kentucky bluegrass | | | | |
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| 38. | A grass inflorescence, called a
panicle, is not exemplified by one of the following: a. | rice | c. | smooth bromegrass | b. | tall
fescue | d. | wheat | | | | |
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| 39. | Which of the following
pathogens would cause a mottled or mosaic effect in tobacco leaf tissue? a. | fungi | b. | bacteria | c. | virus | d. | nematode | | | | | | | | |
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| 40. | Herbicides such as atrazine,
simazine or metribuzin cause chlorosis in the older leaves first. Which plant process do these
herbicides effect? a. | photosynthesis | c. | amino acid production | b. | pigment production | d. | normal mitotic divisions | | | | |
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| 41. | High levels of manure
applications can lead to: a. | High levels of nitrate and phosphate in
the soil | b. | High levels of potassium and sodium salts in the
soil | c. | High levels of mercury and chlorine in the
soil | d. | High levels of heavy metals | | |
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| 42. | Rhizobium nodules on legumes
are healthy and active when ___________ in color. a. | yellow | b. | pink | c. | green | d. | brown | | | | | | | | |
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| 43. | Paraquat is a contact herbicide
extensively used in many cropping systems. This material is not effective against perennial
weeds such as ___________. a. | common
ragweed | c. | johnsongrass | b. | field
pennycress | d. | redroot pigweed | | | | |
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| 44. | Farmer Bultemeier has a center
pivot irrigating 150 acres of dry beans. To control weeds he will chemigate 3.8 ounces of
herbicide per acre on his field. How many gallons of herbicide must he use for this
application? a. | 4.5 gallons | b. | 5 gallons | c. | 2.8
gallons | d. | 3.8 gallons | | | | | | | | |
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| 45. | Which of the following is the
correct percentage of moisture for long term storage of corn for grain? a. | 20.2% | b. | 18.8% | c. | 12.3% | d. | 15.5% | | | | | | | | |
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| 46. | Which of the following
statements would best relate to a CAUTION signal word on a pesticide label? a. | May be harmful if swallowed. | c. | May cause permanent eye
damage. | b. | Toxic if inhaled. | d. | Harmful or fatal if taken
internally. | | | | |
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| 47. | Your tomatoes are exhibiting
epinasty (twisting toward the ground). Which type of herbicide most likely caused this
damage? a. | photosynthetic inhibitor | c. | cell membrane
disrupter | b. | amino acid inhibitor | d. | none of these are
correct | | | | |
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| 48. | You have a fungicide with a
40WP formulation. The label recommends 2 pounds active ingredient per acre applied. How
much product do you need to apply to meet this recommendation? a. | 5 pounds | b. | 2 pounds | c. | 20 pounds | d. | 10 pounds | | | | | | | | |
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| 49. | What does IPM stand
for? a. | Intensive Pesticide Management | c. | Integrated Pest
Management | b. | Intensive Pest Manipulation | d. | Intensive Personnel
Management | | | | |
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| 50. | You are doing a banding
application of a pesticide. Your band width is 12 inches. Your nozzles are 30 inches
apart. Your speed is 7.5 MPH. You are using 10 gallons per acre. What is your
nozzle output? a. | 0.20 GPM | b. | 0.15 GPM | c. | 0.10 GPM | d. | 0.38 GPM | | | | | | | | |
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