
Which of the following is the sound of the doorbell?

Important Questions on We Hear Sound
Put a tick (✓) on the sounds that you like to hear and cross (X) you do not like to hear.


Choose the appropriate word and fill in the blank.
[Air, Noise, Soil]
Headache and earache are caused due to _____ pollution.

Tick (✓) for a pleasant sound and cross (X)for an unpleasant sound.
Cutting of an iron rod.

Choose the correct word from the following:
(Pleasant, Warning, Loud, Sound, Noise)
_____ sound can cause stress and hypertension.

Sound that is loud and unpleasant is called

What sound does the given vehicle make?




Tick (✓) for a pleasant sound and cross (X) for an unpleasant sound.
Drilling on the concrete road.


Fill in the blank with a suitable word:
Unpleasant sounds are called _____ (noise/chirping).

Chirping of a bird: _____.

Fill in the blank with the right word given in the brackets.
During construction work, a lot of _____ (light/sound) gets added into the environment.





Tick (✓) for a pleasant sound and cross (X) for an unpleasant sound.
Loud music played during a procession on the road.
