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MCQs

Total Questions : 139 | Page 1 of 14 pages
Question 1. What is larger organism in Asymbiotic relationship?
  1.    host
  2.    symbiont
  3.    provider
  4.    supporter
 Discuss Question
Answer: Option A. -> host
Answer: (a).host
Question 2. Picrophilus oshimae bacteria can survive in which of following extreme conditions?
  1.    CO₂
  2.    acidic environment
  3.    radiation
  4.    heat
 Discuss Question
Answer: Option B. -> acidic environment
Answer: (b).acidic environment
Question 3. Which of following bacteria require extreme salty conditions to survive?
  1.    Halobacterium
  2.    Sulfolobus
  3.    Borrelia burgdorferi
  4.    Leptospira
 Discuss Question
Answer: Option A. -> Halobacterium
Answer: (a).Halobacterium
Question 4. Which of following are appendages that facilitate conjugation?
  1.    pilus
  2.    flagella
  3.    pseudomonas
  4.    cilia
 Discuss Question
Answer: Option A. -> pilus
Answer: (a).pilus
Question 5. Which of following rarely have introns in their genes?
  1.    animals
  2.    bacteria
  3.    archaea
  4.    fungi
 Discuss Question
Answer: Option B. -> bacteria
Answer: (b).bacteria
Question 6. Which of following bacteria is most common cause of blindness in world?
  1.    chlamydia trachomatis
  2.    salmonella
  3.    Bdellovibrios
  4.    Thiomargarita namibiensis
 Discuss Question
Answer: Option A. -> chlamydia trachomatis
Answer: (a).chlamydia trachomatis
Question 7. Which of following bacteria is cork screw shaped?
  1.    diplococci
  2.    spirilla
  3.    streptococci
  4.    spirochetes
 Discuss Question
Answer: Option D. -> spirochetes
Answer: (d).spirochetes
Question 8. First organisms to inhabit earth were
  1.    prokaryotes
  2.    eukaryotes
  3.    animals
  4.    plants
 Discuss Question
Answer: Option A. -> prokaryotes
Answer: (a).prokaryotes
Question 9. F factor of E Coli consists of how many genes?
  1.    10
  2.    30
  3.    25
  4.    90
 Discuss Question
Answer: Option C. -> 25
Answer: (c).25
Question 10. Which of following archaea live in extremely hot and sulphuric conditions like volcanoes?
  1.    treponema pallidum
  2.    Halobacterium
  3.    Sulfolobus
  4.    Nongonococcal urethritis
 Discuss Question
Answer: Option C. -> Sulfolobus
Answer: (c).Sulfolobus

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