Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
(i) Ear Ossicles (Malleus, incus, and stapes)—To receive, magnify and transmit the sound vibrations to the membrane of the oval window.
(ii) Eustachian tube—It equalizes the air pressure on either side of the eardrum allowing it to vibrate freely.
(iii) Auditory Nerve—It transmits the impulses from cochlea to the brain.
(iv) Ear wax-has insect repellent properties hence prevent the entry of insects in the auditory canal. It also checks to die entry of dust particles in the ear. Thus, it lubricates and protects the eardrum.
संबंधित प्रश्न
Differentiate between the Rods and Cones of Retina (Type of pigment)
Name the following:
The ear ossicle attached to the tympanum.
Name the following:
The nerves which transmit impulse from ear to the brain.
Mention if the following statement is true (T) or false (F) Give reason.
Malleus incus and stapes are collectively called the ear ossicles.
With reference to the human ear, answer the question that follow:
Give the technical term for the structure found in the inner ear.
Name the part of the ear associated with dynamic balance.
Draw a labelled diagram of the inner ear.
Name the three ossicles of the middle ear.
Categorise the following parts under (i) external, (ii) middle and (iii) internal ear.
Ear drum, hammer, pinna, cochlea, anvil, stirrup, eustachian tube, tympanum, oval window, semi-circular canals.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ears: Auditory nerve :: Eyes : ______.
