Unpaired laryngeal cartilage-

Ans. is 'd' i.e., Epiglottis o The skeletal supports of larynx is provided by Six cartilages, 3 out of which are paired (so there are total 9 cartilages). i) Unpaired Thyroid, cricoid, epiglottis. ii) PairedArytenoid, Corniculate, cuneiform.