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MCQs

Total Questions : 139 | Page 2 of 14 pages
Question 11. Which of following bacteria can photosynthesize?
  1.    cyanobacteria
  2.    treponema pallidum
  3.    salmonella
  4.    Nongonococcal urethritis
 Discuss Question
Answer: Option A. -> cyanobacteria
Answer: (a).cyanobacteria
Question 12. Ecological relationship in which two organisms exist in close contact with each other are called
  1.    Morphosis
  2.    antagonists
  3.    proximity
  4.    symbiosis
 Discuss Question
Answer: Option D. -> symbiosis
Answer: (d).symbiosis
Question 13. Gram-negative bacteria are classified in to which of following clades?
  1.    archaea
  2.    eukaryote
  3.    proteobacteria
  4.    photoautotroph
 Discuss Question
Answer: Option C. -> proteobacteria
Answer: (c).proteobacteria
Question 14. Which of following is a diarrheal disease?
  1.    Lyme disease
  2.    tuberculosis
  3.    anthrax
  4.    cholera
 Discuss Question
Answer: Option D. -> cholera
Answer: (d).cholera
Question 15. Which of following can survive without oxygen?
  1.    facultative anaerobes
  2.    obligate aerobes
  3.    obligate anaerobes
  4.    heterotrophs
 Discuss Question
Answer: Option A. -> facultative anaerobes
Answer: (a).facultative anaerobes
Question 16. Rhizobium belongs to which of following proteobacteria subgroup?
  1.    alpha
  2.    beta
  3.    gamma
  4.    epsilon
 Discuss Question
Answer: Option A. -> alpha
Answer: (a).alpha
Question 17. Which of following is an example of nitrogen-fixing bacteria?
  1.    Rhodobacter
  2.    t phage
  3.    e coli
  4.    cyanobacteria
 Discuss Question
Answer: Option D. -> cyanobacteria
Answer: (d).cyanobacteria
Question 18. Chemotaxis is movement of a cell-based on which stimulus?
  1.    chemical
  2.    water
  3.    smell
  4.    gravity
 Discuss Question
Answer: Option A. -> chemical
Answer: (a).chemical
Question 19. Borrelia burgdorferi causes which of following diseases?
  1.    stomach ulcer
  2.    blood poisoning
  3.    blocked vessels
  4.    Lyme disease
 Discuss Question
Answer: Option D. -> Lyme disease
Answer: (d).Lyme disease
Question 20. Which of following are harmful proteins secreted by bacteria?
  1.    exotoxins
  2.    endotoxins
  3.    lipopolysaccharide
  4.    proteoglycans
 Discuss Question
Answer: Option A. -> exotoxins
Answer: (a).exotoxins

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