Name that part of ear which vibrates when outside sound falls on it.

Name the characteristic of sound which can distinguish between the ‘notes’ (musical sounds) played on a flute and a sitar (both the notes having the same pitch and loudness).

Name the organs of hearing in our body.

Name the three tiny bones present in the middle part of ear.

There are three small bones in the middle ear—anvil, hammer and stirrup:

(a) Which of these bones is in touch with ear-drum?

(b) Which of these bones is in touch with oval window?