Q. The cork cells are impervious to water. Which among the following is responsible to give this quality to Cork?
Answer: Suberin
Notes: The cork cells are impervious to water. Suberin is responsible to give this quality to Cork. Suberin, cutin and lignins are complex, higher plant epidermis and periderm cell-wall macromolecules, forming a protective barrier.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 3 in 13. Plant Tissues in above course in App.