سوال نمبر۵- دو دوستوں کے درمیان معاشرے میں بڑھتی ہوئی بد دیانتی اور اس کے سد باب کے موضوع پر مکا لکھیے ۔
وی باسل (مو
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Explanation:
The cork cells are dead cells and do not have any intercellular spaces.
➡The cell wall of the cork cells are coated with suberin (a waxy substance).
➡Suberin makes these cells impermeable to water and gases.
➡Cork is protective in function,it protects underlying tissues from desiccation, infection and mechanical injury
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