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प्रश्न
Photoreceptor cells are present in __________.
(A) blind spot
(B) retina
(C) cochlea
(D) cornea
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उत्तर
(B) retina
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संबंधित प्रश्न
Write short notes on the following Ear ossicles
Answer the following:
Which part of the ear determines the pitch of a sound?
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Mention if the following statement is true (T) or false (F) Give reason.
Malleus incus and stapes are collectively called the ear ossicles.
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State the functions of the following:
Semi-circular canals
Complete the following sentence with appropriate Word
The sequence of ear ossicles of vertebrates starting from the tympanum is:
Name the three ossicles of the middle ear.
Mention the name of passage is the outer ear which carries sound waves to the eardrum.
Given below is a diagrammatic representation of a part of the human ear.
- Name the parts numbered 1-6.
- Which parts of the ear shown here are complete.
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