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प्रश्न
fill in the blanks with suitable functions: Ciliary body and __________.
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उत्तर
Ciliary body and Alteration of the shape of the eye lens.
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संबंधित प्रश्न
Which part of our body helps us in maintaining the body balance?
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.
State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.
Deafness is caused due to rupturing of the pinna.
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.
Differentiate between:
Cochlea and Concha.
Vibrating particles travel all the way from the vibrating objects to the ear.
The Eardrum moves inward when a rarefaction reaches it.
The eardrum is known as ______.
X is known as the balancing organ of ear.
Choose the correct option for X.
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.
