Acoustics in Biology Quiz

Which of the following is a key characteristic of sound waves?

• Transverse

• Electromagnetic

• Longitudinal

• Static

The pitch of a sound is determined by its:

• Wavelength

• Amplitude

• Frequency

• Velocity

What happens to the intensity of sound as the distance from the source doubles?

• It remains the same

• It doubles

• It decreases to one-fourth

• It decreases to half

The unit used to measure sound intensity is:

• Decibel

• Hertz

• Joule

• Tesla

Which of the following describes sound resonance?

• Absorption of sound energy by a material

• Amplification of sound when frequencies match

• Conversion of sound to heat energy

• Propagation of sound through a vacuum

The speed of sound is fastest in:

• Air

• Water

• Steel

• Vacuum

The organ that converts sound energy into electrical signals in humans is the:

• Eardrum

• Ossicles

• Cochlea

• Brain

Bioacoustics is primarily used for:

• Human communication analysis

• Identifying animals in ecosystems

• Measuring temperature variations

• Conducting chemical experiments

What is the principle behind sonography?

• Reflection of electromagnetic waves

• Absorption of X-rays

• Reflection of ultrasound waves

• Generation of heat waves

Histotripsy uses sound waves for:

• Cancer cell destruction

• Pregnancy imaging

• Blood clot analysis

• Brain signal monitoring