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प्रश्न
Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow:
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Give the collective biological term for Malleus, locus and Stapes.
उत्तर
Ear ossicles
संबंधित प्रश्न
Lightning and thunder take place in the sky at the same time and at the same distance from us. Lightning is seen earlier and thunder is heard later. Can you explain?
State the exact location of the Ciliary body
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. |
Give scientific reasons: We cannot distinguish colours in moonlight.
Name the following:
The tube which connects the cavity of the middle ear with the throat.
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 Semicircular canals located? Briefly mention its function.
Name the three ear ossicles.
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 ?
Draw a labelled diagram of the inner ear.
Differentiate between:
Cochlea and Concha.
The following diagram refers to the ear of a mammal.
(i) Label the parts 1 to 10 to which the guidelines point.
(ii) Which structure:
(a) converts sound waves into mechanical vibrations?
(b) Converts vibrations into nerve impulses?
(c) Responds to change in position?
(d) Transmits impulses to the brain?
(e) Equalizes atmospheric pressure and pressure in the ear.
State the Location:
Semicircular canals
Choose the Odd One Out:
Complete the following sentence with appropriate Word
The parts of the human ear concerned with hearing are :
Name the three ossicles of the middle ear.
The Eardrum moves inward when a rarefaction reaches it.
Categorise the following parts under (i) external, (ii) middle and (iii) internal ear.
Ear drum, hammer, pinna, cochlea, anvil, stirrup, eustachian tube, tympanum, oval window, semi-circular canals.
Define the following term:
Ear ossicles
