NCERT Important Questions Class 9 Science biology Chapter 6
Important NCERT Extra Questions
Chapter 6 Tissues
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
Fill in the blanks: Cork cells possess ….. on their walls that makes them impervious to gases and water.
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Cork cells possess Suberin on their walls that makes them impervious to gases and water.