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- Question
Each of the 3 virulence factors of Bacillus anthracis i.e. the capsule, edema toxin and lethal toxin can affect the activity of
Options- A. B cells
- B. macrophages
- C. ciliated epithelial cells
- D. M cells
- Correct Answer
- macrophages
- 1. Which of the following bacteria is sensitive to pyrazinamide?
Options- A. Mycobacterium tuberculosis
- B. M bovis
- C. M fortuitum
- D. None of these Discuss
- 2. Traveller's diarrhea is caused by
Options- A. enteropathogenic Escherichia coli (EPEC)
- B. entero invasive E. coli (EIEC)
- C. entero toxigenic E. coli (ETEC)
- D. entero haemorrhagic E. coli (EHEC) Discuss
- 3. Viruses largely lack metabolic machinery of their own to generate energy or to synthesize
Options- A. protein
- B. carbohydrate
- C. alcohol
- D. all of these Discuss
- 4. Which of the following organism produces enzyme taka diastase?
Options- A. A. oryzae
- B. B. subtilis
- C. A. niger
- D. S. cerevisiae Discuss
- 5. Members of the genus Mycobacterium are
Options- A. gram-positive
- B. acid-fast
- C. non-motile
- D. all of these Discuss
- 6. Which of the following are true for the heterofermentative microorganism producing lactic acid?
Options- A. Only trace amounts of end products other than lactic acid
- B. Some lactic acid with carbon dioxide, ethyl alcohol, acetic acid and trace amount of few other products
- C. They are used for commercial lactic acid production
- D. None of the above Discuss
- 7. What was the first bacterial genome to be sequenced and made public?
Options- A. Bacillus subtilis
- B. Escherichia coli
- C. Haemophilus influenzae
- D. No bacterial genome has been sequenced yet Discuss
- 8. Name the component of flagellum.
Options- A. Filament
- B. Hook
- C. Basal body
- D. All of these Discuss
- 9. Fungi are important to food webs because
Options- A. they are photoautotrophs
- B. they have prokaryotic cell structure
- C. they serve as key decomposers of dead organic matter
- D. they generate antibiotics that kill competing plants and animals Discuss
- 10. Which of the following is not true for eukaryotic cells?
Options- A. Nucleus is bounded by nuclear membrane
- B. Chromosomes contain histones
- C. Chloroplasts and mitochondria contains 70S ribosomes
- D. Gas vacuoles are present Discuss
More questions
Correct Answer: Mycobacterium tuberculosis
Correct Answer: entero toxigenic E. coli (ETEC)
Correct Answer: protein
Correct Answer: A. oryzae
Correct Answer: all of these
Correct Answer: Some lactic acid with carbon dioxide, ethyl alcohol, acetic acid and trace amount of few other products
Correct Answer: Haemophilus influenzae
Correct Answer: All of these
Correct Answer: they serve as key decomposers of dead organic matter
Correct Answer: Gas vacuoles are present
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