Question

What are the chemical that destroys weeds ?

A Biological killer C Fertilizers

B Pesticides D All of above​

Answer 1

The chemicals that destroy weeds are pesticides. (Option B)

• Pesticides are substances that prevent the growth of pests.
• It is further demarcated into two major categories - herbicides ( that kill weeds) and insecticides (that eliminate the growth of insects). In this way, they play a major role in the protection of the desired plant.    
• Fertilizers are the substances which supply nutrients to the plant.
• Biological Killers can also deter the growth of pests but they cannot completely eradicate them.