Synthetic pyrethroids are pesticides recommended for use in apple orchards to control leaf miners, insects whose larvae feed on the leaves of apple trees. Synthetic pyrethroids also kill predators of spider mites, however. Thus these pesticides do more overall harm than good in an apple orchard.

Which of the following, if true, most strengthens the argument above?

Correct answer marked below

Spider mites are beneficial to apple trees.

Predators in apple orchards do more harm than good.

Many consumers avoid buying apples that have been treated with pesticides.

Spider mites are potentially more serious pests in apple orchards than are leaf miners.

Correct

Leaf miners are sometimes parasitized by other insects.

You can see the correct answer above. Sign in for free to unlock the complete worked solution.

Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.

Explanation

Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.

Comments

Be the first to share your thoughts and help others understand it better.

What this question tests

Whether you can identify the option that most bolsters an argument's conclusion.

Choosing an option that is consistent with the argument but adds no new support, or that shifts the topic.