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Question
State the functions of the following:
Semi-circular canals
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Solution
They are concerned with maintaining equilibrium and posture of the body.
RELATED QUESTIONS
Deafness is causal due to the rupturing of the Pinna.
Given below is a diagram depicting a defect of the human eye, study the same and then answer the questions that follow:
(i) Name the defect shown in the diagram.
(ii) What are the two possible that cause this defect?
(iii) Name the type of lens used to correct this defect.
(iv) With the help of a diagram show how the defect shown above is rectified using a suitable lens.
Differentiate between the Rods and Cones of Retina (Type of pigment)
Give scientific reasons: We cannot distinguish colours in moonlight.
Name the three ear ossicles.
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.
Name the following:
The ear ossicle in contact with the oval window of the inner ear.
Long answer question
Draw the neat labelled diagram of the human ear.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ear pinna : Auricle :: Inner ear : ______.
With reference to human ear answer the question that follow:
Name the part of the ear associated with the amplification of vibrations.
