Bacteria and Archaea

Bacteria and Archaea
Methanogens release which of following compounds as a by-product of their metabolism?
ammonia
sulphur
methane
nitrogen
Author: rikazzz Comment
Bacteria and Archaea
Sticky wall present outside many prokaryotes is called:
capsule
cell wall
membrane
covering
Author: rikazzz Comment
Bacteria and Archaea
From which of following phototroph organisms obtain energy?
light
oxygen
sulphur
bacteria
Author: rikazzz Comment
Bacteria and Archaea
Which of following is an example of filamentous cyanobacterium?
Borrelia burgdorferi
Leptospira
oscillatoria
Thiomargarita namibiensis
Author: rikazzz Comment
Bacteria and Archaea
What is average diameter of one of smallest bacteria, Mycoplasma?
5 um
1 um
0.1 um
10 um
Author: rikazzz Comment
Bacteria and Archaea
Appendages that pull two cells together is called:
Pilli
pseudopods
fimbriae
hair
Author: rikazzz Comment
Bacteria and Archaea
Streptomyces is soil-dwelling species of which of following bacterial types?
gram positive
gram negative
cyanobacteria
spirochetes
Author: rikazzz Comment
Bacteria and Archaea
Nitrogen fixation is caused by which of following?
phototrophs
heterotrophs
halophiles
heterocyst
Author: rikazzz Comment
Bacteria and Archaea
Clostridium botulinum causes which of following disease?
botulism
anthrax
ulcer
urinary tract infection
Author: rikazzz Comment
Bacteria and Archaea
Which of following scientists invented Gram stain technique?
Mendel
Watson
Hans Christian
Marie curie
Author: rikazzz Comment

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