Controlled pesticides may be used only:
a. In restricted areas.
b. Against restricted types of pests.
c. By or under the supervision of trained and certified personnel.
d. Overseas, during emergency situations.
Which of the following pesticides is more toxic from the standpoint of absorption
through the skin?
A pesticide having an LD50 of 300 mg per kg of body weight is considered to
have _______________ toxicity.
Match the following:
a. Stomach poison _________
b. Contact poison _________
Can enter through the body wall.
Must have a low LC50 value.
c. Anticoagulant __________
Must be eaten to be effective.