Question

Pesticides are used to protect crops from insects and other pests. But sometimes pesticides can be as harmful as they are useful. How can pesticides be harmful? A) Pesticides are usually mild and most insects are not affected by it. B) Pesticides are very expensive and few farmers can afford to use them. C) Insects become resistant to pesticides after being exposed to it for some time. D) Pesticides kill all the crops affected by insects, causing huge losses to farmers.

Answer 1

I'm pretty sure its C. Insects become resistant to pesticides after being exposed to it for some time.

Answer 2

Answer:

Option (C).

Explanation:

Pesticides can be defined as the substances, used to control different types of pests, such as disease-causing microorganisms and harmful insects. Pesticides are beneficial as they help in effective removal of pests, but they can also be harmful as well as they lead to development of pesticide resistance.

If a particular insect or pest becomes resistant to an insecticide, there will be no longer effect of that pesticide that will reduce the available options for pest management.

Thus, the correct answer is option (C).