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Question
Complementary cells are formed by the activity of
Complementary cells are formed by the activity of
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Solution
The correct option is C Phellogen
The complementary cells are formed from the cork cambium (phellogen) at the position of the lenticels. It is a group of loosely arranged cells that aid in gaseous exchange through cork. As the lenticels formation starts, the parenchyma cells found near substomatal cavity lose their chlorophyll content and irregularly divide in different plants giving rise to a mass of colourless, rounded, thin walled, loosely arranged cells, called as complementary cells. Some times complementary cells produced by phellogen towards outside instead of producing cork cells. As the complementary cells increase in number, pressure is exerted against the epidermis and it ruptures. Outer most cells gradually become dead and may replaced by cork cells.
The complementary cells are formed from the cork cambium (phellogen) at the position of the lenticels. It is a group of loosely arranged cells that aid in gaseous exchange through cork.
As the lenticels formation starts, the parenchyma cells found near substomatal cavity lose their chlorophyll content and irregularly divide in different plants giving rise to a mass of colourless, rounded, thin walled, loosely arranged cells, called as complementary cells.
Some times complementary cells produced by phellogen towards outside instead of producing cork cells. As the complementary cells increase in number, pressure is exerted against the epidermis and it ruptures. Outer most cells gradually become dead and may replaced by cork cells.
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