Question

Write any three ways by which noise pollution affects the human body adversely. List any three steps that should be followed in order to reduce noise pollution. [3 Marks]

Answer 1

Three ways in which noise pollution affects humans:

• Damages ear drums thus permanently impairing hearing ability.
• Increases heart beat.
• Sleeplessness and altered breathing pattern. [0.5 Marks each]

Steps to reduce:

• Use of sound absorbent materials or by muffling noise.
• No loud sounds near schools and hospitals.
• Limit the decibel level of crackers and loud speakers. [0.5 Marks each]