Question

Which of the following is used to protect stored food from insects?

• A. Malathion
• B. Pyrethrins
• C. Diatomaceous earth
• D. All of the above

Answer 1

Answer: (D)

All of the above

Malathion is the insecticide, which is low toxic to insects. It is used as a spray to kill aphids, bagworms, spider, mites, mosquitoes, bugs, beetles and other pests to protect vegetables, fruits and other stored foods. Pyrethrins (obtained from Chrysanthemum cinerariifolium) are the chemicals used as the insecticides. It targets the nervous system of insects and kills them. Stored food is protected from insects by using pyrethrins. Diatomaceous earth is also used to protect stored food like barley, wheat, rice, flax, peas, soybean etc. So, the correct option is D.