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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
The number of oscillations per second of a vibrating object is called its time period.
Mention the exact location of the Semi-circular canals
The exact location of the Yellow spot
Perilymph or endolymph (Which one surrounds the organ of Corti ?)
Sclerotic layer or choroid layer.(Which one forms the Iris ?)
The three parts of human ear contributing in hearing are-
Name the following:
The tube which connects the cavity of the middle ear with the throat.
Given below is a set of five parts. Rewrite them in correct sequence.
Cochlea, tympanum, auditory canal, ear ossicles, oval window.
Where is the oval window located? Briefly mention its function.
With reference to the human ear, answer the question that follow:
Name the part of the ear associated with
(1) static balance
(2) hearing
(3) dynamic balance.
Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow:
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Give the collective biological term for Malleus, locus and Stapes.
The diagram alongside represents the structure of the human ear.
(i) Write the names of the parts labelled a to g.
(ii) State briefly the functions of the parts b, d, and g.
(iii) Name the main division of the ear.
(iv) Which is the smallest bone in the human body?
(v) What is labyrinth?
Write whether the following is true or false:
Vitreous chamber is present in ear in humans.
Choose the Odd One Out:
Choose the Odd One Out:
The Eardrum moves inward when a rarefaction reaches it.
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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Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Semi-circular canal : Ampulla :: Cochlea : ______.
With reference to human ear answer the question that follow:
Name the part of the ear associated with the amplification of vibrations.
- 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.
