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- Question
Which of the following agents involve biosensors linking with electronic circuit?
Options- A. Microorganisms
- B. Microbially derived enzymes
- C. Either microorganisms or microbially derived enzymes
- D. Neither microorganisms nor microbially derived enzymes
- Correct Answer
- Microbially derived enzymes
- 1. The sugar concentration of molasses used in fermentation should be
Options- A. 10-18%
- B. 20-30%
- C. 4-5%
- D. 30-38% Discuss
- 2. The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is
Options- A. Acetobacter curvum
- B. Accetobacter orleanense
- C. Acetobacter xylinum
- D. Acetobacter schuetzenbachii Discuss
- 3. Which of the following is correct?
Options- A. A Winogradsky column is used to filter out microorganisms from a water sample taken from a deep black smoker
- B. A Winogradsky column is used to demonstrate interactions and gradients that occur in aquatic environments
- C. Both (a) and (b)
- D. A Winogradsky column is used to filter out microorganisms from non-aquatic environments Discuss
- 4. The Redfield ratio is an index of concentration of
Options- A. carbon, hydrogen and oxygen
- B. nitrogen, potassium and iron
- C. carbon, nitrogen and phosphorous
- D. carbon, phosphorous and sulfur Discuss
- 5. Members of all of the following genera of bacteria typically are found in a maturing Winogradsky column except
Options- A. Clostridium
- B. Rhodospirillum
- C. Chlorobium
- D. Escherichia Discuss
- 6. Which of the following organism is utilized for the production of D-L-alanine?
Options- A. Microbacterium ammoniaphilum
- B. Brevibacterium flavum
- C. Arthrobacter paraffineus
- D. C. glutamicum Discuss
- 7. The organism B. brevis can be used commercially for the production of
Options- A. gramicidin A
- B. tyrothricin(bacitracin tyrocidin complex)
- C. tyrocidin
- D. all of the above Discuss
- 8. The organism which utilizes the pentose of sulphite waste liquor for lactic acid production is
Options- A. Streptococcus lactis
- B. Lactobacillus bulgaricus
- C. Lactobacillus casei
- D. Lactobacillus pentosus Discuss
- 9. During fermentation, pyruvic acid is converted into organic products such as
Options- A. glucose and fructose
- B. starch and cellulose
- C. ethyl alcohol and lactic acid
- D. citric acid and isocitric acid Discuss
- 10. The submerged fermentation of vinegar utilizes special fermentor designs known as
Options- A. acetator
- B. cavitator
- C. packed vinegar generator
- D. both (a) and (b) Discuss
Industrially Useful Microbial Processes problems
Search Results
Correct Answer: 10-18%
Correct Answer: Acetobacter xylinum
Correct Answer: A Winogradsky column is used to demonstrate interactions and gradients that occur in aquatic environments
Correct Answer: carbon, nitrogen and phosphorous
Correct Answer: Escherichia
Correct Answer: Microbacterium ammoniaphilum
Correct Answer: all of the above
Correct Answer: Lactobacillus pentosus
Correct Answer: ethyl alcohol and lactic acid
Correct Answer: both (a) and (b)
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