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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.

  1. A Both statement I and statement II are correct.
  2. B Both statement I and statement II are incorrect.
  3. C Statement I is correct but statement II is incorrect.
  4. D Statement I is incorrect but statement II is correct.
Verified Solution

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.