Pesticide Formulations

Question 1

The component of a pesticide formulation that controls the pest is the __________ ingredient.

Answer 1

active

Question 2

Careful pesticide selection is important because pesticide formulations vary in their safety to the user, the environment and the crop to be treated; their efficacy; and their cost.
(True or False)

Answer 2

True

Question 3

Which of the following concerning an emulsifiable concentrate pesticide formulation is false?
A. Higher phytotoxicity hazard
B. May be easily absorbed through
     human and animal skin
C. Flammable
D. Easily clogs nozzles and screens

Answer 3

D. Easily clogs nozzles and screens

Question 4

Which of the following formulations dissolve in water?
A. Wettable powders
B. Flowables
C. Water dispersible granules
D. Soluble powders

Answer 4

D. Soluble powders

Question 5

Breathing the dust is a potential hazard associated with the mixing of wettable powders and soluble powders.
(True or False)

Answer 5

True

Question 6

Which of the following pesticide formulations must be mixed with water before being used by the applicator?
A. Flowables
B. Aerosols
C. Granules
D. Dusts

Answer 6

A. Flowables

Question 7

When added to water, emulsifiable concentrates form:
A. Suspensions
B. Separates
C. Solutions
D. Emulsions

Answer 7

D. Emulsions

Question 8

Most bait formulations have 50 percent or more active ingredients.
(True or False)

Answer 8

False

Question 9

Extreme care must be exercised when placing baits to make them inaccessible to children, pets and other non-target species.
(True or False)

Answer 9

True

Question 10

Incineration is recommended for disposal of empty aerosol containers because the heat will completely destroy any pesticide in the container.
(True or False)

Answer 10

False

Question 11

Which of the following is a true statement about fumigant formulations?
A. The use of fumigants is limited to soil,
enclosed structures and containers
B. Fumigants are only toxic to soil insect
pests
C. Fumigants are the most hazardous of
all pesticide formulations
D. Answers A and C above

Answer 11

D. Answers A and C above

Question 12

Two or more pesticides that cannot be effectively mixed together are said to be _________.

Answer 12

Incompatible

Question 13

When adding two or more pesticides into a spray tank, always add the liquid formulations first.
(True or False)

Answer 13

False

Question 14

Tank mixtures of pesticide formulations often require the addition of a(n) _______ to aid in the safety and effectiveness.

Answer 14

Adjuvant

Question 15

Adjuvants can be added to any pesticide spray mixture.

True or False

Answer 15

False

Question 16

Which of the following formulations are less likely to cause wear on pumps and nozzles?
A. Granules and Dusts
B. Water Dispersible granules and
     Soluble Powders
C. Baits and Repellants
D. Emulsifiable concentrates and Soluble
     Powders

Answer 16

D. Emulsifiable concentrates and Soluble

Powders

Question 17

You do not need to check the hoses or other plastic and rubber parts of a sprayer when using emulsifiable concentrates because they do not cause wear.
(True or False)

Answer 17

False

Question 18

When using baits, you do not need to be concerned about other food sources because the bait is an attractant and the pest will eat the bait before it eats anything else.
(True or False)

Answer 18

False