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- Question
Sulfur stinker spoilage, caused by is uncommonly found in
Options- A. low acid foods
- B. medium acid foods
- C. high acid foods
- D. any of these
- Correct Answer
- low acid foods
- 1. What does the positive strand in double stranded RNA viruses stands for?
Options- A. rRNA
- B. tRNA
- C. mRNA
- D. None of these Discuss
- 2. The cell walls of Gram positive bacteria contain two modified sugar, viz. N- acetylgucosamine (NAG) and N- acetylmuramic acid (NAM). They are covalently linked by
Options- A. ?- 1,4-glycosidic bond
- B. ?-1,6-glycosidic bond
- C. ?- 1,6-glycosidic bond
- D. ?- 1,4-glycosidic bond Discuss
- 3. Cell size and cell number can be measured using
Options- A. hemocytometer
- B. coulter counter
- C. petroff-hausser counting chamber
- D. none of these Discuss
- 4. The toxins produced by bacteria
Options- A. kill viruses
- B. encourage bacterial reproduction
- C. interfere with physiological processes in the body
- D. all of the above Discuss
- 5. During amino acid activation a(n)
Options- A. amino acid is bound to tRNA
- B. amino acid is bound to mRNA
- C. methyl group is attached to rRNA
- D. methyl group is attached to an amino acid Discuss
- 6. 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
- 7. The citric acid is recovered from the fermentation broth as
Options- A. calcium citrate
- B. magnesium citrate
- C. zinc citrate
- D. none of these Discuss
- 8. 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
- 9. 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
- 10. 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
More questions
Correct Answer: mRNA
Correct Answer: ?- 1,4-glycosidic bond
Correct Answer: coulter counter
Correct Answer: interfere with physiological processes in the body
Correct Answer: amino acid is bound to tRNA
Correct Answer: azeotropic distillation
Correct Answer: calcium citrate
Correct Answer: dissolve clots for patients with coronary blockages
Correct Answer: stationary mat culture
Correct Answer: soaking barley in water followed by germination and drying
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