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प्रश्न
With reference to the human ear, answer the question that follow:
Name the three small bones present in the middle ear. What is the biological term for them collectively ?
उत्तर
Malleus, incus and stapes
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संबंधित प्रश्न
Photoreceptor cells are present in __________.
(A) blind spot
(B) retina
(C) cochlea
(D) cornea
The unit of frequency is ______.
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. |
State the main function of the Eustachian tube
State the main function of the Suspensory ligament of the eye
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 hearing.
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 ?
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?
Differentiate between:
The middle ear and Inner ear.
Given below is the diagram of the human ear. Study the diagram and then answer the questions that follow:
(i) What role does the eardrum play in hearing?
(ii) What common term is given to the parts labeled A, B, and E?
(iii) Would there be any difference if these three parts mentioned in (ii) above were replaced by one by one? Why?
(iv) Give the biological term for the parts labeled C and D.
(v) Name the fluid which fills the parts mentioned in (iv) above.
(vi) State the functions of the ear.
In the inner ear, the pressure variations are turned into electrical signals by the ______.
______ is the smallest bone in the human body.
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.
 |
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ears: Auditory nerve :: Eyes : ______.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Semi-circular canal : Ampulla :: Cochlea : ______.
Give reason:
Three small bones of ear ossicles are advantageous as compared to one single bone for hearing.
With reference to human ear answer the question that follow:
Name the part of the ear associated with dynamic balance.
Name the part of the inner ear that is responsible for static balance in human beings.
