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Ag Chem Final 1
Ag Chem Final 1 review from class lab April 9
| Question | Answer |
|---|---|
| Which of these examples would be considered a non-target organism? a. corn smut b. monarch butterfly c. grasshopper d. jimsonweed | b. monarch butterfly |
| The first step in pest management/control is? | Identify the pest |
| Which products are the best for preventing herbicide resistance? | Chemicals with multiple sites of action |
| Acute pesticide effects occur? a. within 24 hours b. within 6 months c. 2-3 years later d. within 2-7 weeks | a. within 24 hours |
| A primary consideration when using fogging and aerosol application is? a. limiting application to the target site b. purpose/use of target site c. time of application | a. limiting application to target site |
| What are the 2 factors affecting "hazard" or risk of a pesticide? Hazard= ___________x___________ | toxicity x exposure |
| Which formulation type is least likely to have drift problems? a. SL b. EC c. G | c. G= granules not mixed in water and sprayed |
| A "warning" on a pesticide label means the pesticide has what level of toxicity? a. high b. moderate c. slight d. none | b. moderate |
| Pesticides with oil solvent can damage a target site. Which formulation does not contain an oil solvent? a. Spartan 4F b. Gramoxone SL c. Select 2EC | b. Gramoxone SL= water soluble liquid |
| What is an adjuvant? a. pesticide carrier b. pesticide solvent/diluent c. additive to increase efficiency d. an active ingredient | c. additive to increase efficiency |
| Most labels allow the use of the highest recommended use on? a. high organic soils b. sandy soils c. areas with high water table d. low organic matter soils | a. high organic soils |
| _______ should be checked when mixing different pesticides to avoid loss of effectiveness and clogging of nozzles? a. solubility b. volatility c. compatibility d. degradability | c. compatibility |
| The only source for accurate legal uses of pesticide is found in? a. Nebraska Pesticide Guide b. Pesticide label c. pesticide SDS sheet d. all the above | b. pesticide label |
| Which of these factors may improve the efficiency of a pesticide? a. broad and flat leaves b. dense layer of hair c. waxy leaf surface d. tap root | a. broad and flat leaves |
| The greatest risk of pesticide exposure is during ______? a. walking into sprayed field b. mixing c. application d. transportation | b. mixing |
| The first action to take after a pesticide spill is _____? a. treat any exposure b. call 911 c. contain the spill d. clean up the spill | a. treat any exposure |
| Containers should be triple rinsed immediately after emptying contents to _____? a. prevent dried pesticide residue b. save time c. prep the container for future uses | a. prevent dried residue |
| In general, wind speed should be below ________ at the time of pesticide application. a. 5 mph b. 10 mph c. 20 mph d. 0 mph | b. 10 mph |
| An individual nozzle output that varies more than _______ percent from the others should be replaced. a. one b. five c. ten d. twenty | b. five |
| The amount of diluent required in a tank mix depends on ______? a. size of tank b. amount applied per acre c. acres to be treated with a tank load d. all the above | d. all the above |
| 97% of pesticide exposure is by what route? a. oral b. dermal c. ocular d. inhalation | b. dermal |
| Which of these terms represents a build-up of pesticide at the mixing site? a. solubility b. accumulation c. persitance d. valtility | b. accumulation |
| What material provides the most protection from chemical exposure? a. cotton b. rubber or plastic c. linen d. leather | b. rubber or plastic |
| Which of the following affects the population of a pest? a. climate b. food and water supply c. natural enemies present d. all are correct | d. all are correct |
| A 24c SLN label ________ a. may be used anywhere b. covers all labeled crops c. has special controlled uses d. manages pest emergency outbreaks | c. has special controlled uses |
| The rate of pesticide breakdown depends on ____? a. moisture b. temperature c. soil type and pH d. All the above | d. all the above |
| Integrated pest management is encouraged to prevent pest resistance to pesticide. What does "integrated" mean? | use multiple control strategies, don't just spray |
| Which of these examples represents a "point-source" of pesticide contamination? | mixing site |
| _____ and ______ may cause a greater drift risk. a. high temp, low humidity b. high temp, high humidity c. low temp, low humidity d. low temp, high humidity d. high humidity | a. high temp, low humidity |
| Maximum time heat stress may may affect humans. a. 24 hours b. 30 days c. 1 year d. permanently | d. permanently |
| Which of these examples is the best way of disposing of used containers of pesticides? a. recycle b. include it in trash c. burn | a. recycle |
| What is the first action to aid a victim of pesticide exposure? a. consult the label b. remove victim from further pesticide contact c. call 911 d. call your lawyer | b. remove victim from further contact |
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