NC Pesticide Applicator Test Chapter 5 Quiz

The name "Sevin 5G" on a pesticide label indicates:

• Granular pesticide with 5 percent inert ingredients.

• A gel pesticide with 5 percent active ingredients.

• A granular pesticide with 5 percent active ingredients.

• A gel pesticide with 5 percent inert ingredients.

Which of these formulations forms a suspension that requires constant agitation when mixed with water?

• ready-to-use formulation

• soluble powder

• solution

• wettable powder

Which is a disadvantage of both EEC and concentration formulations?

• Solvents may cause rubber or plastic hoses, gaskets, and pump parts and surfaces to deteriorate.

• Contribute to abrasive wear of nozzles and pumps.

• Require constant agitation to keep in suspension.

• Difficult to handle, transport, and store.

Which dry/solid formulation is mixed in water and reduces the risk of inhalation exposure during mixing and loading?

• water-dispersible granules (WDG) or dry flowables (DF)

• liquid concentrate
• dustable powder
• water-soluble powder (WSP)

Which type of dry/solid pesticide formulation consists of particles that are the same weight and shape?

• Dusts

• Granules

• Pellets

• Baits

Which is an advantage of micro encapsulated materials?

• They pose few hazards to bees

• Delayed or slow releasee of thee active ingredient prolongs their effectiveness

• their pesticidal activity is independent of weather conditions

• they usually require only a short restricted-entry interval

Which types of adjuvant function as wetting agents and spreaders (by physically altering the surface tension of spray droplets)

• Surfactants

• Stickers

• Extenders

• Buffers