EXERCISES, LESSON 2
INSTRUCTIONS: Answer the following exercises by marking the lettered response that
best answers the exercise, by completing the incomplete statement, or by writing the
answer in the space provided at the end of the exercise.
After you have completed all of these exercises, turn to "Solutions to Exercises"
at the end of the lesson and check your answers. For each exercise answered
incorrectly, reread the material referenced with the solution.
A pesticide in its purest commercially available form is known as:
a. Pure grade.
b. Technical grade.
c. Commercial grade.
d. None of the above.
Select the reason(s) for mixing pesticides in the field? (You may select more
than one answer).
a. To economize in shipping.
b. Because it is more hazardous to ship ready-mixed formulations.
c. Because mixing facilities are better in the field than in garrison.
d. To give the operator flexibility in preparing strengths to meet specific
Which of the following are advantages of dusts? (You may select more than one
a. They adhere well to vertical surfaces.
b. They are not readily absorbed through the skin.
c. They can be used around electrical connections.
d. They are weather resistant.
e. They can penetrate small cracks and crevices.