The role of bacteria in retting of fibers is the hydrolysis of
A
Cellulose of the cell walls of the fibers
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B
Lignin of the secondary wall
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C
Living contents of the cells
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D
Pectic substances that bind the cells together
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Solution
The correct option is D Pectic substances that bind the cells together Retting is the process of separating the embedded fibre from the flax stem through by immersion in retting water. Retting water naturally contains complex enzyme action of microbes that brings about the hydrolysis of pectic substances that bind the cells together.
Thus, the correct answer is 'Pectic substances that bind the cells together.'