Advertisements
Advertisements
प्रश्न
Mention the exact location of the Semi-circular canals
उत्तर
Semicircular canals: Inner ear
APPEARS IN
संबंधित प्रश्न
Draw labelled diagrams of the following: Ear
Eye : Optic nerve : : Ear : ___________
State the exact location of the Organ of Corti
What is the function of ear ossicles?
Which part of our ear is shaped like a snail shell?
Where is the oval window located? Briefly mention its function.
What is the biological term for the three small bones present in the middle ear collectively?
With reference to the human ear, answer the question that follow:
Name the nerve, which transmits messages from the ear to the brain.
Name that part of ear which vibrates when outside sound falls on it.
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.
Labyrinth is a part of ____________
Differentiate between:
Cochlea and Concha.
The following diagram refers to the ear of a mammal.
(i) Label the parts 1 to 10 to which the guidelines point.
(ii) Which structure:
(a) converts sound waves into mechanical vibrations?
(b) Converts vibrations into nerve impulses?
(c) Responds to change in position?
(d) Transmits impulses to the brain?
(e) Equalizes atmospheric pressure and pressure in the ear.
Verify experimentally the laws reflection of sound.
______ is the smallest bone in the human body.
Choose the odd one out from the following terms and name the category to which the others belong:
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.
The median canal of cochlea is filled with ______.
- 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.
The figure given below shows the principal parts of a human ear. Study the diagram and answer the following questions.
 |
- Label the parts 1 to 8.
- State the role of parts 6, 7 and 8.
- Why is it harmful to use a sharp object to remove ear wax? Mention the number and name of the part involved.
