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- Question
The most common cause of urinary tract infection in the community is
Options- A. Klebsiella pneumoniae
- B. Proteus vulgaris
- C. Escherichia coli
- D. Citrobacter freundii
- Correct Answer
- Escherichia coli
- 1. Sereny test is used for the detection of
Options- A. enteropathogenic Escherichia coli
- B. enterotoxigenic E. coli
- C. enteroinvasive E. coli
- D. verotoxigenic E. coli Discuss
- 2. The test(s) which can be used to differentiate anthrax bacilli from anthracoid bacilli is/are
Options- A. presence of medusa-head colony
- B. presence of capsule
- C. susceptibility to gamma phage
- D. all of these Discuss
- 3. Which of the following structures would not be associated with fungi?
Options- A. Mitochondria
- B. Cell walls
- C. Chloroplasts
- D. Spores Discuss
- 4. Most bacterial fermentations yield how many net ATP molecules per molecule of glucose?
Options- A. 1
- B. 2
- C. 4
- D. 6 Discuss
- 5. A specific __________ factor helps RNA polymerase bind to late promoters and transcribe late genes.
Options- A. sigma
- B. beta
- C. delta
- D. gamma Discuss
- 6. Suppose a eukaryotic cell had a mutation that prevented the production of cytochrome c. As a result of this mutation, which of the following processes would not occur?
Options- A. Cellular respiration
- B. Photosynthesis
- C. Mitosis
- D. Cell wall synthesis Discuss
- 7. The genus/genera that belongs to the family Micrococcaceae is
Options- A. Micrococcus
- B. Staphylococcus
- C. Planococcus
- D. All of these Discuss
- 8. The DNA that actually codes for a protein's primary structure in eukaryotes is
Options- A. the entire gene
- B. portions of the gene called introns
- C. portions of the gene called exons
- D. the promoter Discuss
- 9. Yellow discolorations in meat are caused by bacteria with yellow pigments, usually species of
Options- A. Micrococcus
- B. Flavobacterium
- C. both (a) and (b)
- D. Pseudomonas syncyanea Discuss
- 10. The amount of oxygen dissolved in hypolimnion water in the winter is __________ to/than the amount of oxygen dissolved in hypolimnion water in the summer
Options- A. greater
- B. lesser
- C. approximately equal to
- D. half Discuss
More questions
Correct Answer: enteroinvasive E. coli
Correct Answer: all of these
Correct Answer: Chloroplasts
Correct Answer: 2
Correct Answer: sigma
Correct Answer: Cellular respiration
Correct Answer: All of these
Correct Answer: portions of the gene called exons
Correct Answer: both (a) and (b)
Correct Answer: greater
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