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प्रश्न
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.
विकल्प
True
False
उत्तर
This statement is False.
Correct Statement:
Deafness is caused due to rupturing of eardrum.
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संबंधित प्रश्न
Photoreceptor cells are present in __________.
(A) blind spot
(B) retina
(C) cochlea
(D) cornea
Deafness is causal due to the rupturing of the Pinna.
Eye : Optic nerve : : Ear : ___________
Mention the exact location of the Semi-circular canals
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.
(i) Draw a well labelled diagram of the membranous labyrinth found in the inner ear.
(ii) Based on the diagram drawn above in (i) give a suitable term for each of the following descriptions :
1. The sensory cells that helps in hearing.
2. The part that is responsible for static balance of the body.
3. The membrane covered opening that connects the middle ear to the inner ear.
4. The fluid present in the middle chamber of cochlea.
5. The structure that maintains dynamic equilibrium of the body.
State the exact location of the Organ of Corti
The ear ossicle which is attached to the tympanum.
Give scientific reasons: We cannot distinguish colours in moonlight.
Give technical terms for The nerve which transmits impulses from the ear to the brain
Sclerotic layer or choroid layer.(Which one forms the Iris ?)
The three parts of human ear contributing in hearing are-
With reference to the human ear, answer the question that follow:
Give the technical term for the structure found in the inner ear.
Name the part of the ear associated with hearing.
Name the nerve which carries electrical impulses from the cochlea of ear to the brain.
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?
State the Location:
Semicircular canals
Verify experimentally the laws reflection of sound.
The part of the ear that turns pressure variations into electrical signals is ______.
In the inner ear, the pressure variations are turned into electrical signals by the ______.
