Multiple choice

The given two columns indicate some of the fermentation products and the microbial cultures used for the production. Identify the correct set of groups from the four given options.

 
Fermentation products Microbial cultures
1. Ethanol (a) Aspergillus niger
2. Streptomycin (b) Zymomonas mobilis
3. Citric acid (c) Streptomyces griseus
4. Cellulase (d) Trichoderma reesei

  1. 1 - a, 2 - b, 3 - c, 4 - d

  2. 1 - b, 2 - c, 3 - a, 4 - d

  3. 1 - b, 2 - c, 3 - d, 4 - a

  4. 1 - d, 2 - c, 3 - b, 4 - a
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ethanol is produced by Zymomonas mobilis (b), streptomycin is an antibiotic from Streptomyces griseus (c), citric acid is fermented by Aspergillus niger (a), and cellulase is produced by Trichoderma reesei (d).

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