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MCQs

Total Questions : 139 | Page 12 of 14 pages
Question 111. Which of following bacteria is source of many antibiotics?
  1.    Streptomyces
  2.    Borrelia burgdorferi
  3.    Leptospira
  4.    oscillatoria
 Discuss Question
Answer: Option A. -> Streptomyces
Answer: (a).Streptomyces
Question 112. From which of following subgroups of proteobacteria mitochondria have most likely been derived?
  1.    alpha
  2.    beta
  3.    gamma
  4.    epsilon
 Discuss Question
Answer: Option A. -> alpha
Answer: (a).alpha
Question 113. Which of following bacteria produce tumors in plants?
  1.    agrobacterium
  2.    rhizobium
  3.    Nitrosomonas
  4.    Thiomargarita namibiensis
 Discuss Question
Answer: Option A. -> agrobacterium
Answer: (a).agrobacterium
Question 114. Approximately how many genes have been horizontally transferred in bacterial genome?
  1.    0.05
  2.    0.18
  3.    0.3
  4.    0.75
 Discuss Question
Answer: Option D. -> 0.75
Answer: (d).0.75
Question 115. Sulfur bacteria belong to which of following subgroups of proteobacteria?
  1.    beta
  2.    gamma
  3.    epsilon
  4.    alpha
 Discuss Question
Answer: Option B. -> gamma
Answer: (b).gamma
Question 116. Smaller rings of genomic DNA in Prokaryotes are called
  1.    plasmid
  2.    nucleoid
  3.    nucleolus
  4.    ribosomes
 Discuss Question
Answer: Option A. -> plasmid
Answer: (a).plasmid
Question 117. Which of following bacteria is an example of slime secreting myxobacteria?
  1.    Chondromyces crocatus
  2.    neisseria gonorrhoeae.
  3.    Thiomargarita namibiensis
  4.    vibrio cholerae
 Discuss Question
Answer: Option A. -> Chondromyces crocatus
Answer: (a).Chondromyces crocatus
Question 118. Staphylococcus aureus bacteria are resistant to which of following?
  1.    oxygen
  2.    carbon dioxide
  3.    sulphur
  4.    methane
 Discuss Question
Answer: Option D. -> methane
Answer: (d).methane
Question 119. Which of following never have their DNA associated with histone proteins?
  1.    bacteria
  2.    archaea
  3.    fungi
  4.    plants
 Discuss Question
Answer: Option A. -> bacteria
Answer: (a).bacteria
Question 120. Streptomyces is soil-dwelling species of which of following bacterial types?
  1.    gram positive
  2.    gram negative
  3.    cyanobacteria
  4.    spirochetes
 Discuss Question
Answer: Option A. -> gram positive
Answer: (a).gram positive

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