Read the following statements and select the correct option for ear pinna.

It is composed of white fibrous cartilage

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It is consider as vestigeal organ

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It has role in collection of sound waves

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It contains ceruminous glands

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Solution

The correct option is D It has role in collection of sound waves
Ear pinna is called the auricle which is the outer portion of the ear. The main function of ear pinna is to collect sound waves and channel waves into the ear canal where the sound is amplified.
So, the correct answer is C.

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Similar questions

Column I	Column II
A. Pinna	(i) Collects vibrations in the air which produces sound
B. Ear canal	(ii) Passage for sound wave from pinna to ear drum
C. Tympanic membrane	(iii) Transfers sound wave to ear ossicles
D. Ear ossicles	(iv) Increases the efficiency of transmission of sound waves to the inner ear
E. Cochlea	(v) Has hearing receptors
F. Eustachian tube	(vi) Equalises the pressure on both sides of ear drum
G. Auditory nerves	(vii) Impulse transfer from organ of Corti to auditory cortex in temporal lobe of cerebrum

Read the following statements (1 - 2) and select the correct option.

Wax gland present in the ear canal is called

(a) sweat gland (b) prostate gland

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