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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?
उत्तर
Tympanic membrane. It vibrates and then sets the ear ossicles into vibration in the process of hearing.
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संबंधित प्रश्न
Write short notes on the following: Cochlea
Given below is a diagram depicting a defect of the human eye, study the same and then answer the questions that follow:
(i) Name the defect shown in the diagram.
(ii) What are the two possible that cause this defect?
(iii) Name the type of lens used to correct this defect.
(iv) With the help of a diagram show how the defect shown above is rectified using a suitable lens.
State the main function of the Eustachian tube
Briefly explain the following terms: Power of accommodation
State the exact location of the Organ of Corti
The exact location of the Yellow spot
Sclerotic layer or choroid layer.(Which one forms the Iris ?)
Note the relationship between the first two words and suggest the suitable word for the fourth place.
sound : ear drum :: Dynamic balance : ……
State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.
Semi-circular canals are concerned with static (positional) balance.
Where is the Semicircular canals located? Briefly mention its function.
Where is the Utriculus located? Briefly mention its function.
Name the three ear ossicles.
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 ?
What is the function of three tiny bones in the ear ?
Draw a labeled diagram of the inner ear. Name the part of the inner ear that is responsible for static balance in human beings.
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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The median canal of cochlea is filled with ______.
- Draw a neat and well labelled diagram of the membranous labyrinth found in the inner ear.
- Based on the diagram drawn above in (i), give a suitable term for each of the following descriptions:
- The structure responsible for hearing.
- The sensory cells that help in hearing.
- The membrane-covered opening that connects the middle ear to inner ear.
- The nerves that carry impulses from the ear to the brain.
- The tube which equalises the air pressure on either side of the ear drum.
Name the part of the inner ear that is responsible for static balance in human beings.
