Retting of fibres is caused by

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(B) Retting is a process that uses the action of microorganisms and moisture on plants to dissolve or rot away much of the cellular tissues and pectin

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Clostridium

Vedclass · Answer

(B) Retting is a process that uses the action of microorganisms and moisture on plants to dissolve or rot away much of the cellular tissues and pectin surrounding the bast-fiber bundles.Specifically,species of $Clostridium$ (such as $Clostridium$ $butyricum$) are commonly used in the retting of fibers like jute and flax.These bacteria produce enzymes that break down the pectic substances that bind the fibers together,thereby isolating the fibers from the plant stem.

Column-$I$ (Microbe)	Column-$II$ (Product)
$(I)$ Aspergillus niger	$(p)$ Lactic acid
$(II)$ Acetobacter aceti	$(q)$ Acetic acid
$(III)$ Lactobacillus	$(r)$ Citric acid
$(IV)$ Clostridium butylicum	$(s)$ Butyric acid

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Choose the correct matching pair for the following table:
Column-$I$ (Microbe) Column-$II$ (Product)
$(I)$ Aspergillus niger $(p)$ Lactic acid
$(II)$ Acetobacter aceti $(q)$ Acetic acid
$(III)$ Lactobacillus $(r)$ Citric acid
$(IV)$ Clostridium butylicum $(s)$ Butyric acid

$A$ chemical produced by a microorganism that inhibits the growth of another microorganism is called a/an......

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