Title 5. Human Ear.pdf ✅

HUMAN EAR SOUND 12 Class 9th Science (Physics) (Practice Sheet) 1 What is the main function of the human ear? A. Balance B. Smelling C. Taste D. Hearing 2 Which part of the human ear vibrates when sound waves reach it? A. Eardrum B. Cochlea C. Auditory nerve D. Semicircular canals 3 Which of the following parts of the ear amplifies sound vibrations? A. Cochlea B. Hammer C. Stirrup D. Auditory canal 4 The cochlea is responsible for: A. Maintaining balance B. Amplifying sound C. Transmitting sound signals to the brain D. Detecting different frequencies of sound 5 What is the role of the semicircular canals in the human ear? A. Amplifying sound B. Detecting different frequencies of sound C. Maintaining balance D. Transmitting sound signals to the brain 6 Explain the process of hearing in brief. 7 How does the outer ear contribute to hearing? 8 Specify the meaning of cup ear. 9 How does the human ear become an element of balance? 10 Explain in short about the functions of the inner ear. Page 1 Email: Phone No: Website: [email protected] +91 93299 65211 www.brisklearning.com Address: Office No. 605, CTS No. 658, Gayatri Bhuvan, A & B, Kandivali, Dattani Park, Thakur Village, Kandivali East, Mumbai, Maharashtra 400101