4.
Match the following terms with their appropriate definitions by writing the letter of
the definition in the blank following the term. Definitions may be used more than
once.
a. Inorganic insecticides ___
(1)
Extremely toxic; formulated
from heavy metals.
b. Botanicals ___
(2)
Inhibit cholinesterase.
c. Chlorinated hydrocarbons ____
(3)
Worst environmental polluters.
d. Organophosphates
____
(4)
Break down rapidly; virtually no
e. Carbamates ____
residual effect.
f. Anticoagulants
____
(5)
Those in current use have
extremely low acute toxicity.
5.
Check the conditions listed below that are favorable for the storage of pesticides:
a.
_________ Cool.
b.
_________ Warm.
c.
_________ Light.
d.
_________ Dark.
e.
_________ Humid.
f.
_________ Dry.
6.
Which of the following activities should not be permitted in the vicinity of pesticide
storage and mixing operations? (More than one answer may be correct.)
a.
Smoking.
b.
Eating.
c.
Working.
d.
Reading.
e.
Playing cards.
MD0173
3-20