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Bacteria and Archaea
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Bacteria and Archaea
Cyanobacteria is an example of which of following?
phototrophs
heterotrophs
Chemotrophs
autotrophs
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Bacteria and Archaea
From which of following Chemotroph organisms obtain energy?
oxygen
sulphur
chemicals
co2
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Bacteria and Archaea
How long is diameter of Thiomargarita namibiensis?
750 um
100 um
10 um
5000um
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Bacteria and Archaea
Which of following is a diarrheal disease?
Lyme disease
tuberculosis
anthrax
cholera
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Bacteria and Archaea
Why is an extreme thermophile found in hydrothermal vents named as ‘strain 121’?
it can reproduce at 121 °C
it has 121 genes
it has 121 strains
it produces 121 types of proteins
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Bacteria and Archaea
What adaptations do most thermophile archaea have to protect their DNA from extreme heat?
biochemical modification in DNA
fragmented DNA
sheared DNA
larger DNA
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Bacteria and Archaea
Gram-negative bacteria are classified in to which of following clades?
archaea
eukaryote
proteobacteria
photoautotroph
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Bacteria and Archaea
Which of following rarely have introns in their genes?
animals
bacteria
archaea
fungi
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Bacteria and Archaea
Picrophilus oshimae bacteria can survive in which of following extreme conditions?
CO2
acidic environment
radiation
heat
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Bacteria and Archaea
Staphylococcus aureus bacteria are resistant to which of following?
oxygen
carbon dioxide
sulphur
methane
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