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Neural Control and Coordination — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYNeural Control and Coordination1 Mark
MCQ
In frog, “fenestra ovalis” is:
  • A
    The opening in the auditory capsule which separates the middle ear from internal ear.
  • B
    The air-filled cavity of the middle ear.
  • C
    The communication between the pharynx and the tympanic cavity.
  • D
    The external opening of the tympanic cavity which is covered by the tympanic membrane.
✓

Answer

  1. The opening in the auditory capsule which separates the middle ear from internal ear.

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