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प्रश्न
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.
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उत्तर
(i) A - Semi-circular canal
B - Utriculus
C - Sacculus
D - Cochlea
(ii) Auditory nerve.
(iii) 1. Utriculus and sacculus
2. Semi-circular canal
3. Cochlea
(iv) Sensory cells of organ of Corti
(v) Perilymph
APPEARS IN
संबंधित प्रश्न
- Draw a 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 sensory cells that help in hearing.
- The part that is responsible for static balance of the body.
- The membrane-covered opening that connects the middle ear to the inner ear.
- The fluid present in the middle chamber of cochlea.
- The structure that maintains dynamic equilibrium of the body.
Differentiate between the Rods and Cones of Retina (Type of pigment)
Perilymph or endolymph (Which one surrounds the organ of Corti?)
Name the following:
The ear ossicle attached to the tympanum.
Name the part of the ear associated with hearing.
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.
Choose the Odd One Out:
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.
The part of the ear that turns pressure variations into electrical signals is ______.
