Bacteria and Archaea

Bacteria and Archaea
A movement based on a stimulus is called:
Pilli
pull
stimulus
taxis
Author: rikazzz Comment
Bacteria and Archaea
Halophiles can survive in which of following extreme conditions?
methane
heat
lack of oxygen
high salinity
Author: rikazzz Comment
Bacteria and Archaea
When DNA is transferred between two individuals of same species its called:
transformed
transfected
transduction
conjugation
Author: rikazzz Comment
Bacteria and Archaea
Ecological relationship in which two organisms exist in close contact with each other are called:
Morphosis
antagonists
proximity
symbiosis
Author: rikazzz Comment
Bacteria and Archaea
Which of following bacteria is cork screw shaped?
diplococci
spirilla
streptococci
spirochetes
Author: rikazzz Comment
Bacteria and Archaea
Which of following are present in outer cell wall of gram-negative bacteria and are released when bacteria die?
exotoxins
endotoxins
lipopolysaccharide
proteoglycans
Author: rikazzz Comment
Bacteria and Archaea
Which of following bacteria is not an example of spirochetes?
treponema pallidum
Borrelia burgdorferi
Leptospira
salmonella
Author: rikazzz Comment
Bacteria and Archaea
Which of following is used for respiration in facultative anaerobes if oxygen is absent?
sulphur
light
heat
fermentation
Author: rikazzz Comment
Bacteria and Archaea
When phages carry DNA from one host to another its called:
dead
transformed
transfected
transduction
Author: rikazzz Comment
Bacteria and Archaea
Our intestines are home to how many species of bacteria?
1000
200
10000
100
Author: rikazzz Comment

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