Podcast
Questions and Answers
Which type of bacteria can thrive in extreme conditions such as high salt concentration and acidic pH?
Which type of bacteria can thrive in extreme conditions such as high salt concentration and acidic pH?
- Streptococcus
- Cyanobacteria
- Archaebacteria (correct)
- Eubacteria
Which of the following bacteria is known to fix nitrogen?
Which of the following bacteria is known to fix nitrogen?
- Cyanobacteria (correct)
- Azotobacter (correct)
- Rhizobium (correct)
- E. Coli
E. Coli can be characterized as which type of bacteria?
E. Coli can be characterized as which type of bacteria?
- Archaebacteria
- Cyanobacteria
- Eubacteria (correct)
- Extremophile
Which bacteria typically thrive in oxygen-rich environments?
Which bacteria typically thrive in oxygen-rich environments?
Which type of bacteria is primarily associated with the nitrogen-fixing process in legume roots?
Which type of bacteria is primarily associated with the nitrogen-fixing process in legume roots?
Cyanobacteria are commonly recognized for their role in which biological process?
Cyanobacteria are commonly recognized for their role in which biological process?
Which type of bacteria generally prefers moderate environmental conditions?
Which type of bacteria generally prefers moderate environmental conditions?
Which of the following types of bacteria is incapable of fixing nitrogen?
Which of the following types of bacteria is incapable of fixing nitrogen?
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Study Notes
Extremophiles
- Certain bacteria can survive in extreme environments such as high temperature, acidic pH, high salt concentration, and absence of oxygen.
- Archaebacteria are primarily known for thriving in such harsh conditions.
Nitrogen Fixation
- Nitrogen fixation is a crucial process where certain bacteria convert atmospheric nitrogen into forms usable by living organisms.
- Rhizobium, Azotobacter, and Cyanobacteria are known for their ability to fix nitrogen.
- E. coli does not fix nitrogen, distinguishing it from the other mentioned bacteria.
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