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Questions
Mention, where in living organism is the following located and state their main function:
Organ of corti
Where is the following located?
Organ of Corti
Solution
The Organ of Corti is indeed present in the middle cochlear canal of the ear.
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RELATED QUESTIONS
Eye : Optic nerve : : Ear : ___________
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.
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. |
State the main function of the Eustachian tube
Which part of our ear is shaped like a snail shell?
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.
Given below is certain structure. Write against them its functional acivity.
organ of corti and ……………….
Where is the Cochlea 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.
Name the part of the ear associated with dynamic balance.
How could you convince a small child that when you speak, it is not necessary for air to travel from you mouth to the ear of listener?
Name the nerve which carries electrical impulses from the cochlea of ear to the brain.
Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:
Name the parts labeled A, B and C in the diagram.
Mention, if the following statement is True or False
The part of ear associated with balance is the cochlea.
State the functions of the following:
Semi-circular canals
Choose the Odd One Out:
The part of the ear that turns pressure variations into electrical signals is ______.
The Eardrum moves inward when a rarefaction reaches it.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Eyes: Photoreceptors :: Ears : ______.
Name the part of the inner ear that is responsible for static balance in human beings.
