Commercially valued cork is obtained from - (1) Quercus spp (2) Cedrus Deodara (3) Ficus (4) Cycas

Commercially valued cork is obtained from - (1) Quercus spp (2) Cedrus Deodara (3) Ficus (4) Cycas
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(1) Quercus spp Explanation: 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 sub-stance and, because of its impermeable, buoyant, elastic, and fire retardant properties, it is used in a variety of products, such as **** stoppers.
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