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Question

Pesticides are the chemicals usually sprayed for killing pests on the crops. Although they kill the pests, they have few disadvantages. Choose the correct one.
  1. Pesticides are poisonous.
  2. Pesticides are expensive.
  3. Pesticides are harmful for human consumption.
  4. Pesticides cause water and soil pollution.


Solution

The correct options are
A Pesticides are poisonous.
C Pesticides are harmful for human consumption.
D Pesticides cause water and soil pollution.
Pesticides have potential disadvantages:
1. Pesticides could be poisonous to the plant itself.
2. The pesticides cannot be washed away completely.
3. Fruits and vegetables sprayed by pesticides are harmful for human consumption.
4. They also cause soil and water pollution.

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