Pheromones are
A) chemical substances excreted by insects.
B) a class of organophosphorus pesticides.
C) natural insecticides produced by plants.
D) human sex hormones.
Correct Answer:
Verified
Q23: An experimental pesticide with a very specific
Q24: Organophosphorus pesticides are generally less _ than
Q25: Juvenile hormones are chemicals
A)that speed up the
Q26: Which of the following is the least
Q27: Which is classified as a narrow spectrum
Q29: Which of the following is an herbicide?
A)2,4-D
B)parathion
C)carbaryl
D)diazinon
Q30: A compound that causes leaves to fall
Q31: A phosphorus-containing pesticide is
A)aldicarb.
B)diazinon.
C)methoprene.
D)paraquat.
Q32: Which of the following would be a
Q33: Which of the following types of compounds
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