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प्रश्न
State the main function of the Eustachian tube
उत्तर
Equalises air pressure on either sides of the eardrum allowing it to vibrate freely
संबंधित प्रश्न
Mention the exact location of the Eustachian tube
Given in the box below are a set of 14 biological terms. Of these, 12 can be paired into 6 matching pairs. Out of the six pairs, one has been done for you as an example.
Example : endosmosis - Turgid cell.
Identify the remaining five matching pairs :
| Cushing’s syndrome, Turgid cell, Iris, Free of rod and cone cells, Colour of eyes, Hypoglycemia, Active transport, Acrosome, Addison’s disease, Blind spot, Hyperglycemia, Spermatozoa, Endosmosis, Clotting of blood. |
fill in the blanks with suitable functions: Ciliary body and __________.
the biological/technical terms for a thin membrane covering the entire front part of the eye.
Give scientific reasons: We cannot distinguish colours in moonlight.
Perilymph or endolymph (Which one surrounds the organ of Corti ?)
State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.
Deafness is caused due to rupturing of the pinna.
Where is the Cochlea located? Briefly mention its function.
Name the three tiny bones present in the middle part of ear.
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 ?
Write whether the following is true or false:
Vitreous chamber is present in ear in humans.
The figure below is the sectional view of a part of the skull showing a sense organ:
What are the parts labeled 'm', 'i' and 's'? What do these parts constitute collectively?
Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:
Name the audio receptor region present in the part labeled 'A'.
Differentiate between:
Cochlea and Concha.
Draw a labeled diagram of the inner ear. Name the part of the inner ear that is responsible for static balance in human beings.
Name the following:
The ear ossicle in contact with the oval window of the inner ear.
Choose the Odd One Out:
The part of the ear that turns pressure variations into electrical signals is ______.
Which of the following structures equalises the air pressure on either side of the tympanum?
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ear pinna : Auricle :: Inner ear : ______.
