A. Vector control
B. Planting resistant varieties
C. Spraying insecticides
D. Sterilizing farm equipment
Correct Answer: Option B
B. Planting resistant varieties
A. Vector control
B. Planting resistant varieties
C. Spraying insecticides
D. Sterilizing farm equipment
Correct Answer: Option B
B. Planting resistant varieties
Copyright warnings! Do not copy.