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- Question
The citric acid is recovered from the fermentation broth as
Options- A. calcium citrate
- B. magnesium citrate
- C. zinc citrate
- D. none of these
- Correct Answer
- calcium citrate
- 1. The method of distillation used to obtain alcohol greater than 95 percent is called
Options- A. fractional distillation
- B. flash evaporation
- C. azeotropic distillation
- D. successive distillation Discuss
- 2. The medium utilized for fungal citric acid production should be deficient in
Options- A. phosphate
- B. manganese
- C. iron
- D. all of these Discuss
- 3. Most biopolymers produced by micro-organisms are
Options- A. cell wall constituents
- B. nucleic acids
- C. histones
- D. exopolysaccharides Discuss
- 4. Malt used to ferment beer is prepared by
Options- A. roasting barley
- B. washing the barley with water and drying it in air
- C. soaking barley in water followed by germination and drying
- D. treating barley with bovine amylase followed by roasting Discuss
- 5. Penicillin was first produced commercially using
Options- A. stationary mat culture
- B. deep tank aerated fermentations
- C. continuous fermentation
- D. none of the above Discuss
- 6. An "International Unit" of penicillin activity established in 1944 is amount of penicillin equivalent to
Options- A. 0.6 micrograms of crystalline penicillin G of about 98% purity
- B. 0.6 micrograms of crystalline penicillin F of about 98% purity
- C. 0.8 micrograms of crystalline penicillin G of about 98% purity
- D. 0.8 micrograms of crystalline penicillin G of about 90% purity Discuss
- 7. Microbially produced streptokinase is used to
Options- A. remove spots from laundry products
- B. dissolve clots for patients with coronary blockages
- C. clarify fruit juice
- D. breakdown starch molecules into smaller sugars Discuss
Industrially Useful Microbial Processes problems
Search Results
Correct Answer: azeotropic distillation
Correct Answer: all of these
Correct Answer: exopolysaccharides
Correct Answer: soaking barley in water followed by germination and drying
Correct Answer: stationary mat culture
Correct Answer: 0.6 micrograms of crystalline penicillin G of about 98% purity
Correct Answer: dissolve clots for patients with coronary blockages
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