Discussion
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- Question
A hydrometer
Options- A. measures wine acid
- B. requires a few drops of juice
- C. measures alcohol in the wine
- D. measures grape sugar
- Correct Answer
- measures grape sugar
- 1. Wine yeast
Options- A. is sensitive to sulphur di oxide
- B. is resistant to sulphur di oxide
- C. shows enhanced enzyme production in presence of sulphur di oxide
- D. none of the above Discuss
- 2. Fining a wine is defined as
Options- A. adding one substance to remove another
- B. removing small particles
- C. adding acid
- D. removing tannin Discuss
- 3. Sherry is a type of
Options- A. wine
- B. beer
- C. brandy
- D. none of these Discuss
- 4. Malolactic fermentation
Options- A. produces lactic acid
- B. reduces total acidity
- C. produces diacetyl
- D. all of these Discuss
- 5. Punching down is done
Options- A. for the same reasons as pumping over
- B. to extract tannin
- C. both (a) and (b)
- D. to keep the cap dry Discuss
- 6. The organism used for the preparation of sonti is
Options- A. Rhizopus sonti
- B. Aspergillus oryzae
- C. Lactobacillus vermiformis
- D. Saccharomyces pyriformis Discuss
- 7. At normal pH, penicillin remains in
Options- A. aqueous phase
- B. solvent phase
- C. both (a) and (b)
- D. precipitates Discuss
- 8. Fermentation medium for oxytetracyclin (terramycin) consist of
Options- A. CSL, starch, (NH4)2 SO4, sodium chloride and CaCO3
- B. CSL, (NH4)2 SO4, sodium chloride and CaCO3
- C. CSL, starch,(NH4)2 SO4, ammonium chloride and CaCO3
- D. CSL,(NH4)2 SO4, ammonium chloride and CaCO3 Discuss
- 9. Which of the following precursor is added in the medium to get penicillin G?
Options- A. Phenyl carbamic acid
- B. Phenyl acetic acid
- C. Ammonium sulphate
- D. Ammonium chloride Discuss
- 10. Antibiotics are typically produced in fed batch reactors because
Options- A. antibiotic yields are generally higher when cells enter the stationary phase
- B. the precursors are often toxic to the cells
- C. antibiotic yields are generally higher when cell growth slows
- D. All of the above Discuss
Beer and Wine problems
Search Results
Correct Answer: is resistant to sulphur di oxide
Correct Answer: adding one substance to remove another
Correct Answer: wine
Correct Answer: all of these
Correct Answer: to keep the cap dry
Correct Answer: Rhizopus sonti
Correct Answer: aqueous phase
Correct Answer: CSL, starch, (NH4)2 SO4, sodium chloride and CaCO3
Correct Answer: Phenyl acetic acid
Correct Answer: All of the above
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