Advertisements
Advertisements
प्रश्न
Give reason:
Three small bones of ear ossicles are advantageous as compared to one single bone for hearing.
Advertisements
उत्तर
The ear ossicles, malleus, incus, and stapes create a complex lever system. This design is advantageous for hearing because it:
- Increases the mechanical force of vibrations.
- Improves the efficient transmission of sound energy from the eardrum to the inner ear structures.
- Reduces the amplitude of vibrations.
Due to impedance matching, mammalian hearing is more sensitive and has higher frequency limitations than reptiles.
APPEARS IN
संबंधित प्रश्न
Given below is a representation of a kind of pollution. Study the same and answer the questions that follow
(i) Name the kind of pollution.
(ii) List any three common sources of this pollution.
(iii) Mention three harmful effects of this pollution on human health.
(iv) Explain the term ‘Pollutant’.
(v) Name two soil pollutants
Briefly explain the following terms: Power of accommodation
How could you convince a small child that when you speak, it is not necessary for air to travel from you mouth to the ear of listener?
There are three small bones in the muddle 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 ?
Select the CORRECT match of part of the human ear and its function.
Vibrating particles travel all the way from the vibrating objects to the ear.
List the causes of noise pollution.
______ is the smallest bone in the human body.
Given below is a diagrammatic representation of a part of the human ear.
- Name the parts numbered 1-6.
- Which parts of the ear shown here are complete.
 |
Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow:
 |
- Give the collective biological term for Malleus, locus and Stapes.
- Name the parts labelled A, B and C in the diagram.
- State the functions of the parts labelled 'A' and 'B'.
- Name the audio receptor region present in the part labelled 'A'.
