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NEETZoologyMicrobes in Human Welfare

Biological use Microbe A. Citric acid 1. Clostridium B. Beer production 2. Aspergillus C. Acetone production 3. Saccharomyces cerevisiae D. Nitrogen fixation 4. Rhizobium

Options

  1. AA-3; B-2; C-1; D-4
  2. BA-2; B-1; C-3; D-4
  3. CA-2; B-3; C-1; D-4
  4. DA-2; B-3; C-4; D-1

Correct answer

C. A-2; B-3; C-1; D-4

Step-by-step solution

Citric acid is produced by Aspergillus. Beer production involves Saccharomyces cerevisiae. Acetone is produced by Clostridium. Nitrogen fixation is carried out by Rhizobium.

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