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प्रश्न
The figure below is the sectional view of a part of the skull showing a sense organ:
Name the part labeled 'tm'. What is its function?
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उत्तर
Tympanic membrane. It vibrates and then sets the ear ossicles into vibration in the process of hearing.
संबंधित प्रश्न
(i) Draw a well labelled diagram of the membranous labyrinth found in the inner ear.
(ii) Based on the diagram drawn above in (i) give a suitable term for each of the following descriptions :
1. The sensory cells that helps in hearing.
2. The part that is responsible for static balance of the body.
3. The membrane covered opening that connects the middle ear to the inner ear.
4. The fluid present in the middle chamber of cochlea.
5. The structure that maintains dynamic equilibrium of the body.
Name the three ear ossicles.
Name the following:
Part of internal ear related to balance.
The diagram alongside represents the structure found in the inner ear. Study the same and then answer the questions that follow:
(i) Name the parts labelled A, B, C and D.
(ii) Name the parts of the ear responsible for transmitting impulses to the brain.
(iii) Name the part labelled above which is responsible for:
1. Static equilibrium. 2. Dynamic equilibrium. 3. Hearing
(iv) Name the audio receptor cells which pick up vibrations.
(v) Name the fluid present in the inner ear.
Mention, if the following statement is True or False
Deafness is caused due to the rupturing of the pinna.
Choose the Odd One Out:
Long answer question
Draw the neat labelled diagram of the human ear.
Select the CORRECT match of part of the human ear and its function.
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.
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Give reason:
Three small bones of ear ossicles are advantageous as compared to one single bone for hearing.
