Question
What are pesticides and herbicides? Explain giving examples.
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Answer
- Pesticides : They are chemicals that are used to kill pests. They act by blocking the neurotransmission in the pest. e.g., DDT, BHC, etc.
- Herbicides : They are chemicals such as $\mathrm{NaClO}_3, \mathrm{Na}_3 \mathrm{AsO}_3$ which are used to control the population of weeds in the fields.
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