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प्रश्न
- Draw a neat and well labelled diagram of the membranous labyrinth found in the inner ear.
- Based on the diagram drawn above in (i), give a suitable term for each of the following descriptions:
- The structure responsible for hearing.
- The sensory cells that help in hearing.
- The membrane-covered opening that connects the middle ear to inner ear.
- The nerves that carry impulses from the ear to the brain.
- The tube which equalises the air pressure on either side of the ear drum.
उत्तर
-
- Cochlea
- Organ of Corti
- Oval window
- Auditory Nerve
- Eustachian Tube
संबंधित प्रश्न
Draw labelled diagrams of the following: Ear
Which part of our body helps us in maintaining the body balance?
Which part of our body helps us in maintaining the body balance?
Given below is a representation of a kind of pollution. Study the same and answer the questions that follow
(i) Name the kind of pollution.
(ii) List any three common sources of this pollution.
(iii) Mention three harmful effects of this pollution on human health.
(iv) Explain the term ‘Pollutant’.
(v) Name two soil pollutants
Give scientific reasons: We cannot distinguish colours in moonlight.
Name the following:
The part which equalises the air pressure in the middle and external ear.
Note the relationship between the first two words and suggest the suitable word for the fourth place.
sound : ear drum :: Dynamic balance : ……
Differentiate between members of the following pair with reference to what is asked in bracket.
Semi-circular canal and cochlea (Senses perceived)
Mention if the following statement is true (T) or false (F) Give reason.
The auditory nerve is purely for perceiving sound
What is the biological term for the three small bones present in the middle ear collectively?
Name the tube which connects the middle ear to throat.
Write whether the following is true or false:
The part of the ear associated with balance is the cochlea.
Choose the correct answer :
Organ of corti is found in ___________
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 the name of passage is the outer ear which carries sound waves to the eardrum.
The part of the ear that turns pressure variations into electrical signals is ______.
Choose the odd one out from the following terms and name the category to which the others belong:
State the functions of the following:
Auditory nerve
Which of the following structures equalises the air pressure on either side of the tympanum?
Give reason:
Three small bones of ear ossicles are advantageous as compared to one single bone for hearing.
