Question

some plants produce natural pesticides. one of the most successful new plants producing a natural insecticide is ______.
a. the onion plant
b. alfalfa
c. the neem tree
d. none of the above

Explanation:

The neem tree (Azadirachta indica) is well - known for producing natural insecticides. Its extracts have pesticidal properties and are used as a natural alternative to chemical pesticides. Onion plants and alfalfa do not have the same level of natural insecticide production as the neem tree.

Answer:

c. the neem tree