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प्रश्न
Differentiate between:
Cochlea and Concha.
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उत्तर
| Cochlea | Concha |
| (i) It is a part of the inner ear. | It is the ear pinna of cartilage. |
| (ii) It contains the organs of hearing. | It collects the sound waves. |
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संबंधित प्रश्न
Answer the following:
Which part of the ear determines the pitch of a sound?
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.
State the main function of the Suspensory ligament of the eye
Differentiate between members of the following pair with reference to what is asked in bracket.
Semi-circular canal and cochlea (Senses perceived)
What is the name of passage in outer ear which carries sound waves to the ear-drum ?
Complete the following sentence with appropriate word :
________ is the organ of balance and hearing in the body.
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
Complete the following sentence with appropriate Word
The parts of the human ear concerned with hearing are :
Name the part of the inner ear that is responsible for static balance in human beings.
