Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct?
Correct answer: C. Clostridium butylicum - lactic acid
- A. Yeast - statins
- B. Acetobacter aceti - acetic acid
- C. Clostridium butylicum - lactic acid
- D. Aspergillus niger - citric acid
Explanation
Microbes are used for commercial and industrial production of certain chemicals like organic acids, alcohols, and enzymes. Examples of acid producers are Aspergillus niger (a fungus) of citric acid, Acetobacter aceti (a bacterium) of acetic acid; Clostridium butylicum (a bacterium) of butyric acid and Lactobacillus (a bacterium) of lactic acid.
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Ecosystems include biotic and abiotic components, food chains and webs, energy flow, nutrient cycles, populations and ecological relationships. Pollution and conservation cover air, water, soil and noise pollution, their effects on organisms, biodiversity loss, protected areas, sustainable resource use and methods for reducing environmental damage.
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