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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.
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उत्तर
-
- Cochlea
- Organ of Corti
- Oval window
- Auditory Nerve
- Eustachian Tube
संबंधित प्रश्न
Explain how the human ear works.
Answer the following:
Which part of the ear determines the pitch of a sound?
Photoreceptor cells are present in __________.
(A) blind spot
(B) retina
(C) cochlea
(D) cornea
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
Differentiate between members of the following pair with reference to what is asked in bracket.
Dynamic balance and static balance (Definition)
What is the biological term for the three small bones present in the middle ear collectively?
Name the nerve which carries electrical impulses from the cochlea of ear to the brain.
Differentiate between:
Cochlea and Concha.
State the Location:
Semicircular canals
The part of the ear that turns pressure variations into electrical signals is ______.
