True/False
Indicate whether the sentence or statement is true or
false.
|
|
| 1. | A soil insecticide is generally
needed every year for rootworm control when corn is grown continuously
|
Multiple
Choice
Identify the letter of the choice that best completes the statement or answers the
question.
|
|
| 2. | A normal seeding rate for
soybean sown in 7” rows is
? a. | 20,000 seeds/acre | c. | 100 seeds/acre | b. | 200,000 seeds/acre | d. | 1000 seeds/acre | | | | |
|
|
| 3. | Organic corn grown for food use
is of what life cycle? a. | Perennial | b. | Winter
annual | c. | Annual | d. | Biennial | | | | | | | | |
|
|
| 4. | The plow layer of soil from one
acre weighs about
? a. | 100 lbs. | b. | 10,000 lbs. | c. | 100,000 lbs. | d. | 2,000,000 lbs. | | | | | | | | |
|
|
| 5. | A certified pesticide
applicator has been asked to spray a 25 acre field with glyphosate at 2.0 pt product/acre. Using
water as a carrier at 20 gallon/acre and a sprayer with a 40’ boom, how many pints of
glyphosate should the applicator add to a 500 gallon spray tank filled with water?
|
|
| 6. | Calcium ( Ca+2 ), Magnesium (
Mg+2 ), and Potassium ( K+ ) are examples of
?
|
|
| 7. | Which type of root system is
typically found in grasses? a. | fibrous | b. | balanced | c. | combined | d. | taproot | | | | | | | | |
|
|
| 8. | A herbicide is a pesticide used
to control
? a. | weeds | c. | pathogens | b. | insects | d. | all of these are
correct | | | | |
|
|
| 9. | Which kind of rootworms attack
corn in the United States? a. | Northern | c. | Southern | b. | Western | d. | All of these are correct | | | | |
|
|
| 10. | Of the three basic soil
particle types, which one is the largest?
|
|
| 11. | Corn, fescue, and bluegrass are
examples of
?
|
|
| 12. | A blade and sheath are typical
parts of what plant’s leaf? a. | Pea | b. | Soybean | c. | Corn | d. | Alfalfa | | | | | | | | |
|
|
| 13. | Soybeans should be seeded
than alfalfa? a. | Shallower | b. | Deeper | c. | The same depth | | | | | | |
|
|
| 14. | The most common use of gene
transfer technology in soybean in 2001 was the use of? a. | Bt soybean | c. | Bollgard soybean | b. | Roundup Ready
soybean | d. | Hybrid soybean | | | | |
|
|
| 15. | Which crop has the longest
flowering period? a. | Corn | b. | Wheat | c. | Soybean | d. | Rye | | | | | | | | |
|
|
| 16. | On a pesticide label, which of
the following signal words indicates the most highly toxic category? a. | Caution | b. | Warning | c. | Danger/Poison | | | | | | |
|
|
| 17. | When you are feeling a soil to
determine its texture class, sand feels....? a. | Sticky | b. | Smooth | c. | Friable | d. | Gritty | | | | | | | | |
|
|
| 18. | Which of the following is a
soil textural class? a. | Silt Loam | d. | Sticky | b. | Hardpan | e. | Subangular Blocky | c. | Well Drained | | | | |
|
|
| 19. | A grower would like to apply
160 lbs. of nitrogen per acre using urea ( 46-0-0 ) as the nitrogen source. The fertilizer weighs 60
lbs. per cubic foot. How many pounds of actual urea per acre must the farmer apply to get the
desired amount of nitrogen/acre? a. | 34.8
lb/acre | c. | 74 lb/acre | e. | 9600 lb/acre | b. | 348
lb/acre | d. | 2.66 lb/acre | | | | | | |
|
|
| 20. | Using the textural triangle
below, what is the texture of a soil with 60% clay, and 20% sand?
a. | sandy clay loam | c. | clay | e. | sandy clay | b. | clay loam | d. | silty clay loam | | | | | | |
|
|
| 21. | Using the textural triangle
below, what is the texture of a soil with 40% clay, and 60% sand?
a. | sandy clay loam | c. | sand | e. | silty clay loam | b. | sandy clay | d. | sandy loam | | | | | | |
|