Commercially valued cork is obtained from : A)Quercus spp B)Cedrus Deodara C)Ficus D)Cycas
Option A) Cork is a prime-subset of bark tissue that is harvested for commercial use primarily from Quercus suber. It is endemic to the Mediterranean region. Cork is composed of suberin, a hydrophobic substance and, because of its impermeable, buoyant, elastic, and fire retardant properties, it is used in a variety of products, such as wine stoppers.