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- Question
The reovirus and influenza virus contain
Options- A. 10 different segments of dsRNA and 8 different segments of ssRNA respectively
- B. 8 different segments of dsRNA and 10 different segments of ssRNA respectively
- C. 5 different segments of dsRNA and 7 different segments of ssRNA respectively
- D. 7 different segments of dsRNA and 5different segments of ssRNA respectively
- Correct Answer
- 10 different segments of dsRNA and 8 different segments of ssRNA respectively
- 1. Viable plate count can be obtained using
Options- A. Spread plate method
- B. Pour plate method
- C. both (a) and (b)
- D. Hemocytometer Discuss
- 2. Which of the following problem makes it impossible to satisfy all of Koch's postulates?
Options- A. Microorganism causes serious symptoms in humans
- B. Microorganism cannot be isolated in pure culture
- C. Species of microorganism is in question
- D. Genes from the microorganism cannot be amplified by PCR Discuss
- 3. Selective media facilitate growth of only one kind of organism. Saboraud medium is used to selectively isolate
Options- A. coliform bacteria
- B. gram positive bacteria
- C. yeasts
- D. acid fast organisms Discuss
- 4. Iron bacteria can produce
Options- A. slime
- B. undesirable odors and tastes
- C. both (a) and (b)
- D. extreme acidity Discuss
- 5. Recognition/binding site of RNA polymerase is called
Options- A. receptor
- B. promoter
- C. facilitator
- D. terminator Discuss
- 6. Which of the following is correct?
Options- A. Ultramicrobacteria or nanobacteria are the dominant bacteria in marine systems
- B. Ultramicrobacteria or nanobacteria are so numerous that they are a major food source for heterotrophic flagellates
- C. Both (a) and (b)
- D. none of the above Discuss
- 7. The secretary component of sIgA is
Options- A. made by plasma cells that secrete dimeric IgA
- B. added to dimeric IgA by the M cell
- C. formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell
- D. made by T cells Discuss
- 8. The canned acid foods such as pineapple, tomatoes and pears have been found spoiled by C. pasteurianum. Such spoilage is more likely when the pH of the food is
Options- A. >4.5
- B. <4.5
- C. >5.3
- D. <5.3 Discuss
- 9. Beef hams are made spongy by species of
Options- A. Rhodotorula
- B. Bacillus
- C. Pseudomonas
- D. red Bacillus Discuss
- 10. Stormy clot reaction is useful in identification of
Options- A. C tetani
- B. C botulinum
- C. C perfringens
- D. C difficile Discuss
More questions
Correct Answer: both (a) and (b)
Correct Answer: Microorganism cannot be isolated in pure culture
Correct Answer: yeasts
Correct Answer: both (a) and (b)
Correct Answer: promoter
Correct Answer: Ultramicrobacteria or nanobacteria are the dominant bacteria in marine systems
Correct Answer: formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell
Correct Answer: >4.5
Correct Answer: Bacillus
Correct Answer: C perfringens
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