Assertion : Vocal cords consists of three pairs of mucous membrane that extend into the lumen of the larynx. Reason : Sound is produced by only two pairs of cords.A. If both assertion and reason are true and reason is the correct explanation of assertionB. If both assertion and reason are true and reason is not the correct explanation of assertionC. If assertion is true but reason is false.D. If both assertion and reason are false.

Assertion : Vocal cords consists of three pairs of mucous membrane tha

1.	Assertion : Vocal cords consists of three pairs of mucous membrane that extend into the lumen of the larynx. Reason : Sound is produced by only two pairs of cords.A. If both assertion and reason are true and reason is the correct explanation of assertionB. If both assertion and reason are true and reason is not the correct explanation of assertionC. If assertion is true but reason is false.D. If both assertion and reason are false.
Answer» Correct Answer - D Inside the larynx are prsent two paris of vocal cords. One pair is of false vocal cords which hs little to do wit sound production and the second inner pair is true vocal cords. When air is forced through the larynx, it causes vibration of the true vocal cords and sound is produced. The pitch of sound is determined by the tension on the vocal cords the greater the tension, the higher the pitch.