7.
Classify the following standard insecticides by indicating in the space beside
each the letter from the right hand column corresponding to the chemical type.
a. Pyrethrum _________
(1)
Inorganic.
b. Sulfur __________
(2)
Natural organic.
c. Naled
__________
(3)
Chlorinated hydrocarbon.
d. Dichlorvos _________
(4)
Organophosphate.
e. Boric acid _______
(5)
Carbamate.
f. Nicotine _________
g. Dursban ____________
h. Baygon _____________
i.
Carbaryl _____________
j.
Malathion ____________
k. Chlordane ____________
l.
Diazinon ______________
8. The standard insect repellent for skin application is:
a.
BHC.
b.
DEET.
c.
DDT.
d.
None of the above.
MD0173
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