Question

Which of the following measures will help in the reduction of noise pollution?

• A.
  Planting of trees along the roads and around the buildings.
• B.
  Minimizing usage of horns.
• C.
  Manufacturing machines that work with loud noise.
• D.
  Lubrication of heavy machines

Answer 1

Answer: (A), (B), (D)

The correct options are
A
Planting of trees along the roads and around the buildings.
B
Minimizing usage of horns.
D

Lubrication of heavy machines
Planting more trees will reduce pollution to a greater extent as trees are sound absorbents. Also, minimizing unnecessary honking during traffic jams will help in prevention of noise pollution. Proper lubrication of machines can reduce noise pollution. It reduces friction between movable parts and helps to reduce noise.