| (i) Taking medicines that prevent malaria. |
| (ii) Put a thin film of oil on the surface of water in a big pool. |
| (iii) Keeping the surroundings dry. |
| (iv) spraying chemical that kill insects. |
A) Only (i)
B) Only (ii) and (iii)
C) Only (i), (ii) and (iii)
D) Only (ii), (iii) and (iv)
Correct Answer: D
Solution :
Mosquitoes breed in stagnant water hence we should keep the surroundings dry and spray oil or chemicals on stagnant water kills the larva and prevent malaria. Anti-malarial drugs also can be taken.
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