NC Pesticide Applicator Exam Chapter 6 Quiz

What characteristic of a pesticide makes it likely to move with water in surface runoff?

• high solubility

• high absorption

• high volatility

• a tendency to evaporate quickly

Which of these may be a case of non-point-source pollution?

• Back-siphoning of pesticide spills at a wellhead

• Leaching from a pesticide-mixing area

• Pesticides that dissolve and leach through the soil after a rainfall

• Dumping leftover pesticide products down a well

Which of these soil types is most likely to experience leaching?

• heavy clay soil, low in organic matter, where groundwater is shallow

• heavy clay, soil high in organic matter where groundwater is deep

• sandy soil, high in organic matter, where groundwater is deep

• sandy soil, low in organic matter, where groundwater is shallow

What two factors are most important in reducing spray drift?

• Droplet size and wind conditions

• Temperature and wind conditions

• Viscosity of liquid pesticides and air turbulence

• Temperature and pesticide volatility

What two factors are most important in relation to vapor drift?

• Droplet size and wind direction and speed

• Air stability and temperature

• Viscosity of liquid pesticides and air turbulence

• Temperature and pesticide volatility

Which statement in TRUE about protecting bees from pesticide injury?

• Wettable powders are the safety formulation for preventing bee injury

• It is best to spray crops when they are in bloom.

• Aerial applications are less hazardous to bees than ground applications

• Applying pesticides in the evening or during early morning is recommended

What label statement will be on pesticides that might harm endangered species?

• Advice to consult a county bulletin to determine what special precautions to take when using the product.

• Advice to consult a local conservation officer for a permit to apply the pesticide.

• A ban on use of the pesticide in all area where endangered species might be harmed.

• A list of the endangered species that might be harmed by the pesticide.