Advertisements
Advertisements
प्रश्न
Answer the following:
Which part of the ear determines the pitch of a sound?
उत्तर
Cochlea determines the pitch of a sound.
APPEARS IN
संबंधित प्रश्न
The number of oscillations per second of a vibrating object is called its time period.
(i) Draw a well labelled diagram of the membranous labyrinth found in the inner ear.
(ii) Based on the diagram drawn above in (i) give a suitable term for each of the following descriptions :
1. The sensory cells that helps in hearing.
2. The part that is responsible for static balance of the body.
3. The membrane covered opening that connects the middle ear to the inner ear.
4. The fluid present in the middle chamber of cochlea.
5. The structure that maintains dynamic equilibrium of the body.
fill in the blanks with suitable functions: Ciliary body and __________.
State the main function of the Suspensory ligament of the eye
Given below is a set of five parts. Rewrite them in correct sequence.
Cochlea, tympanum, auditory canal, ear ossicles, oval window.
Given below is certain structure. Write against them its functional acivity.
organ of corti and ……………….
Draw a labelled diagram of the inner ear.
Why should we not put a pin or pencil in our ears ?
Choose the Odd One Out:
The range of audible frequency for the human ear is
Describe the structure and function of the human ear?
The hearing range of the human ear is ______.
Mention the name of passage is the outer ear which carries sound waves to the eardrum.
In the inner ear, the pressure variations are turned into electrical signals by the ______.
Assertion: Human beings Cannot hear infrasonic sounds.
Reason: Sound with a frequency less than 20 Hz is called infrasonic sound.
The eardrum is known as ______.
X is known as the balancing organ of ear.
Choose the correct option for X.
Where are the following located?
Eustachian canal
Give reason:
Three small bones of ear ossicles are advantageous as compared to one single bone for hearing.
Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow:
 |
- Give the collective biological term for Malleus, locus and Stapes.
- Name the parts labelled A, B and C in the diagram.
- State the functions of the parts labelled 'A' and 'B'.
- Name the audio receptor region present in the part labelled 'A'.
