Bacteria And Archaea(Cell Biology ) Questions and answers for exam Preparation

Question 1. What is larger organism in Asymbiotic relationship?

host
symbiont
provider
supporter

Explanation:-

Answer: Option A. -> host
Answer: (a).host

Question 2. Picrophilus oshimae bacteria can survive in which of following extreme conditions?

CO₂
acidic environment
radiation
heat

Explanation:-

Answer: Option B. -> acidic environment
Answer: (b).acidic environment

Question 3. Which of following bacteria require extreme salty conditions to survive?

Halobacterium
Sulfolobus
Borrelia burgdorferi
Leptospira

Explanation:-

Answer: Option A. -> Halobacterium
Answer: (a).Halobacterium

Question 4. Which of following are appendages that facilitate conjugation?

pilus
flagella
pseudomonas
cilia

Explanation:-

Answer: Option A. -> pilus
Answer: (a).pilus

Question 5. Which of following rarely have introns in their genes?

animals
bacteria
archaea
fungi

Explanation:-

Answer: Option B. -> bacteria
Answer: (b).bacteria

Question 6. Which of following bacteria is most common cause of blindness in world?

chlamydia trachomatis
salmonella
Bdellovibrios
Thiomargarita namibiensis

Explanation:-

Answer: Option A. -> chlamydia trachomatis
Answer: (a).chlamydia trachomatis

Question 7. Which of following bacteria is cork screw shaped?

diplococci
spirilla
streptococci
spirochetes

Explanation:-

Answer: Option D. -> spirochetes
Answer: (d).spirochetes

Question 8. First organisms to inhabit earth were

prokaryotes
eukaryotes
animals
plants

Explanation:-

Answer: Option A. -> prokaryotes
Answer: (a).prokaryotes

Question 9. F factor of E Coli consists of how many genes?

10
30
25
90

Explanation:-

Answer: Option C. -> 25
Answer: (c).25

Question 10. Which of following archaea live in extremely hot and sulphuric conditions like volcanoes?

treponema pallidum
Halobacterium
Sulfolobus
Nongonococcal urethritis

Explanation:-

Answer: Option C. -> Sulfolobus
Answer: (c).Sulfolobus