MHT CET · BIOLOGY · STD 12 - 9. Control and Coordination
Read the following statements regarding the structure of human ear and select the correct option.
Statement I: The tympanic membrane is covered with mucous membrane on inner side, to the surface of which is attached \(1^{\text {st }}\)ear ossicle namely incus.
Statement II: Scala vestibuli and scala tympani are filled with perilymph and form a part of cochlea.
- A Both statement I and statement II are correct.
- B Both statement I and statement II are incorrect.
- C Statement I is correct but statement II is incorrect.
- D Statement I is incorrect but statement II is correct.
Answer & Solution
Correct Answer
(D) Statement I is incorrect but statement II is correct.
Step-by-step Solution
Detailed explanation
The tympanic membrane is a delicate, membranous structure which transmits the sound waves to the middle ear. It is formed of connective tissue covered with skin on the outside and mucous membrane on the inside.
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