The organ which helps humans to produce sound is -

• Larynx

• Pharynx

• Voice box or Larynx

• All of the above

Larynx and pharynx are the same organs.

Is this statement true or false? Provide reasons.

What is energy?

• Ability to exert a force causing movement of an object.

• It is a force which causes things to move.

• All of the above

A rubber band also vibrates when stretched and struck. What does it tell you about sound and its production?

Sound is a form of energy because -

• Sound is produced when a force causes an object or substance to vibrate.

• Force applied on air molecules to displace.

• Sound is not a form of energy

• Sound is produced through vibrations that why it is a form of energy

Sound is produced by humans via -

• Voice box

• Larynx

• Pharynx

• both larynx and pharynx

The vocal cords are made up of -

• Two bands of smooth muscle tissue

• Two bands of membranous tissue.

• Two bands of smooth muscle tissue covered with membranous tissue.

• All of the above.

Sound is produced via

• Vibrations

• Back and Forth movement

• Back and Forth movement which leads to repeated or continuous vibrations.

• None of the above

The vocal cords vibrate and air passes through the cords _______ the ________ to produce the sound of your voice.

• From, Lungs

• In , Lungs

• From , Throat

• None of the above

Write in brief your understanding on production of sound.