Advertisements
Advertisements
प्रश्न
Mention the exact location of the Eustachian tube
उत्तर
Eustachian tube: Between the cavity of the middle ear and throat
APPEARS IN
संबंधित प्रश्न
Answer the following:
Which part of the ear determines the pitch of a sound?
Lightning and thunder take place in the sky at the same time and at the same distance from us. Lightning is seen earlier and thunder is heard later. Can you explain?
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
Briefly explain the following terms: Power of accommodation
State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.
Semi-circular canals are concerned with static (positional) balance.
Mention, where in living organism is the following located and state their main function:
Organ of corti
With reference to the human ear, answer the question that follow:
Name the part of the ear associated with
(1) static balance
(2) hearing
(3) dynamic balance.
With reference to the human ear, answer the question that follow:
Name the nerve, which transmits messages from the ear to the brain.
Choose the correct answer.
Canal joining middle ear to pharynx ___________
Given below is the diagram of the human ear. Study the same and answer the questions that follow:
(i) Give the biological term for the part labeled ‘A’ and state its function.
(ii) Name the part labeled ‘B’ and state its function.
(iii) Name the part labeled ‘C’ and state its function.
(iv) Give the function of ear wax.
Mention, if the following statement is True or False
Cochlea of the ear is concerned with the sense of balance.
Complete the following sentence with appropriate Word
The sequence of ear ossicles of vertebrates starting from the tympanum is:
Complete the following sentence with appropriate Word
The parts of the human ear concerned with hearing are :
Select the CORRECT match of part of the human ear and its function.
Mention the name of passage is the outer ear which carries sound waves to the eardrum.
Vibrating particles travel all the way from the vibrating objects to the ear.
Which of the following structures equalises the air pressure on either side of the tympanum?
- 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.
Name the part of the inner ear that is responsible for static balance in human beings.
