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Question

Choose the correct option-

Anaerobic retting of fibres is carried out by-


A

Pseudomonas

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B

Clostridium

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C

Vibrio

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D

Streptomyces

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Solution

The correct option is B

Clostridium


The correct option is B.

Explanation of correct option:

  1. Plant fibres are separated from the stem using bacteria which helps in the removal of gums and cellular tissues. This is called fibre retting.
  2. Clostridium is an anaerobic bacteria which breaks down pectin present in the fibres.
  3. Anaerobic bacteria grow in the absence of oxygen. These bacteria can not tolerate the presence of oxygen and die even on brief exposure to oxygen.
  4. Pseudomonas, Vibrio, and Streptomyces are aerobic bacteria.

Final answer: Anaerobic retting of fibres is carried out by Clostridium.


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