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प्रश्न
Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:
State the functions of the parts labeled 'A' and 'B'.
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उत्तर १
Cochlea helps in transmitting impulses to the brain via the auditory nerve. Semicircular canals help in maintaining dynamic equilibrium of the body.
उत्तर २
A is concerned with the sense of hearing. B is concerned with the sense of dynamic balance.
संबंधित प्रश्न
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. |
Note the relationship between the first two words and suggest the suitable word for the fourth place.
sound : ear drum :: Dynamic balance : ……
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.
Where is the oval window located? Briefly mention its function.
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 tube which connects the middle ear to throat.
Long answer question
Draw the neat labelled diagram of the human ear.
Vibrating particles travel all the way from the vibrating objects to the ear.
Give reason:
Three small bones of ear ossicles are advantageous as compared to one single bone for hearing.
