Advertisements
Advertisements
Question
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.
Advertisements
Solution
(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
RELATED QUESTIONS
Photoreceptor cells are present in __________.
(A) blind spot
(B) retina
(C) cochlea
(D) cornea
Given below is a representation of a kind of pollution. Study the same and answer the questions that follow
(i) Name the kind of pollution.
(ii) List any three common sources of this pollution.
(iii) Mention three harmful effects of this pollution on human health.
(iv) Explain the term ‘Pollutant’.
(v) Name two soil pollutants
Differentiate between the Rods and Cones of Retina (Type of pigment)
The exact location of the Yellow spot
Mention if the following statement is true (T) or false (F) Give reason.
Malleus incus and stapes are collectively called the ear ossicles.
Where is the Utriculus located? Briefly mention its function.
With reference to the human ear, answer the question that follow:
Name the nerve, which transmits messages from the ear to the brain.
The part of the ear that collects the sound from the surroundings is ______.
The spiral organ possessing sensory cells for hearing is ______.
Give reason:
Three small bones of ear ossicles are advantageous as compared to one single bone for hearing.
