Advertisements
Advertisements
प्रश्न
Which of the following structures equalises the air pressure on either side of the tympanum?
पर्याय
Auditory tube
Eustachian tube
Vestibular canal
Tympanic canal
Advertisements
उत्तर
Eustachian tube
Explanation:
The Eustachian tube connects the middle ear and throat, balancing air pressure on both sides of the tympanic membrane.
APPEARS IN
संबंधित प्रश्न
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
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.
Give scientific reasons: We cannot distinguish colours in moonlight.
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.
Given below is a set of five parts. Rewrite them in correct sequence.
Cochlea, tympanum, auditory canal, ear ossicles, oval window.
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 ?
What is the biological term for the three small bones present in the middle ear collectively?
Given below is the diagram of the human ear. Study the diagram and then answer the questions that follow:

(i) What role does the eardrum play in hearing?
(ii) What common term is given to the parts labeled A, B, and E?
(iii) Would there be any difference if these three parts mentioned in (ii) above were replaced by one by one? Why?
(iv) Give the biological term for the parts labeled C and D.
(v) Name the fluid which fills the parts mentioned in (iv) above.
(vi) State the functions of the ear.
Complete the following sentence with appropriate Word
The sequence of ear ossicles of vertebrates starting from the tympanum is:
The part of the ear that turns pressure variations into electrical signals is ______.
