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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
Write short notes on the following: Cochlea
Time taken by an object to complete one oscillation is called ___________.
Eye : Optic nerve : : Ear : ___________
fill in the blanks with suitable functions: Ciliary body and __________.
the biological/technical terms for a thin membrane covering the entire front part of the eye.
Perilymph or endolymph (Which one surrounds the organ of Corti ?)
Sclerotic layer or choroid layer.(Which one forms the Iris ?)
Name the following:
The part which equalises the air pressure in the middle and external ear.
Note the relationship between the first two words and suggest the suitable word for the fourth place.
sound : ear drum :: Dynamic balance : ……
Differentiate between members of the following pair with reference to what is asked in bracket.
Dynamic balance and static balance (Definition)
What is the biological term for the three small bones present in the middle ear collectively?
Why should we not put a pin or pencil in our ears ?
Draw a neat and labelled diagram of the human ear. With the help of this diagram, explain the construction and working of the human ear.
The diagram alongside represents the structure found in the inner ear. Study the same and then answer the questions that follow:
(i) Name the parts labelled A, B, C and D.
(ii) Name the parts of the ear responsible for transmitting impulses to the brain.
(iii) Name the part labelled above which is responsible for:
1. Static equilibrium. 2. Dynamic equilibrium. 3. Hearing
(iv) Name the audio receptor cells which pick up vibrations.
(v) Name the fluid present in the inner ear.
Choose the correct answer :
Organ of corti is found in ___________
Mention, if the following statement is True or False
Deafness is caused due to the rupturing of the pinna.
Choose the Odd One Out:
Name the three ossicles of the middle ear.
- 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.
