Which of the following wall in the guard cells is thick?
A
Inner
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B
Side Wall
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C
Both A and B
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D
Outer
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Solution
The correct option is A Inner Guard cells refers to the specialized cells of the epidermis of leaves,
stems and other organs that controls gas exchange. These cells which are generally produced in pairs leaves a gap that forms the stomal pore. In guard cells the inner wall is thick.