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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
Three small interlocking bones: the hammer, the anvil, and the stirrup transmit the vibrations of the eardrum to the inner ear.
  • ✓
    True
  • B
    False
  • C
    Ambiguous
  • D
    Data insufficient
✓

Answer

Correct option: A.
True
The malleus, or hammer, the incus, or anvil, and the stapes, or stirrup together form a short chain that crosses the middle ear and transmits vibrations caused by sound waves from the eardrum membrane to the liquid of the inner ear.

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