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प्रश्न
Name the three ear ossicles.
उत्तर
The three ear ossicles are Malleus (hammer), Incus (anvil), and Stapes (stirrup).
संबंधित प्रश्न
Time taken by an object to complete one oscillation is called ___________.
State the exact location of the Ciliary body
fill in the blanks with suitable functions: Ciliary body and __________.
Note the relationship between the first two words and suggest the suitable word for the fourth place.
sound : ear drum :: Dynamic balance : ……
Mention if the following statement is true (T) or false (F) Give reason.
The auditory nerve is purely for perceiving sound
Mention the exact location of the following :
Incus
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 ?
Choose the correct answer.
Labyrinth is a part of ____________
Complete the following sentence with appropriate word :
________ is the organ of balance and hearing in the body.
Name the three ossicles of the middle ear.
The hearing range of the human ear is ______.
X is known as the balancing organ of ear.
Choose the correct option for X.
The part of the inner ear which is responsible for hearing is ______.
The spiral organ possessing sensory cells for hearing is ______.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Eyes: Photoreceptors :: Ears : ______.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ears: Auditory nerve :: Eyes : ______.
- 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.
The figure given below shows the principal parts of a human ear. Study the diagram and answer the following questions.
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- Label the parts 1 to 8.
- State the role of parts 6, 7 and 8.
- Why is it harmful to use a sharp object to remove ear wax? Mention the number and name of the part involved.
