Question

which best describes the advantage of pest resistance?
○ pests can tolerate more pesticides.
○ pesticides become less effective.
○ farmers do not have to use harsh chemicals to save their crops.
○ farmers can kills weeds without killing their cash crop.

Explanation:

• Analyze each option:
• Option 1: Pest tolerance to pesticides is a disadvantage, not an advantage of pest resistance.
• Option 2: Pesticides being less effective is a problem, not an advantage of pest - resistant crops.
• Option 3: If crops are pest - resistant, farmers don't need to use harsh pesticides (chemicals) to protect their crops. This is a clear advantage.
• Option 4: Killing weeds without harming cash crops is related to herbicide - tolerant crops, not pest - resistant crops.

Answer:

C. Farmers do not have to use harsh chemicals to save their crops.