Bacteria and Archaea

Bacteria and Archaea
‘marsh gas’ present in marches is actually
carbon dioxide
methane
sulphuric acid
nitrogen
Author: rikazzz Comment
Bacteria and Archaea
Smaller rings of genomic DNA in Prokaryotes are called:
plasmid
nucleoid
nucleolus
ribosomes
Author: rikazzz Comment
Bacteria and Archaea
From which of following heterotroph organisms obtain energy?
sulphur
chemicals
organic nutrient
co2
Author: rikazzz Comment
Bacteria and Archaea
What temperature is required to kill endospores?
121 °C
300 °C
500 °C
1000 °C
Author: rikazzz Comment
Bacteria and Archaea
Rhizobium resides in roots of which of following plants?
Genisteae
non leguminous
flowering
leguminous
Author: rikazzz Comment
Bacteria and Archaea
Parasites that cause disease are called:
hosts
symbiont
pathogens
bacteria
Author: rikazzz Comment
Bacteria and Archaea
Eukaryotic cells typically have a diameter of about how many micrometers?
1
4
7
50
Author: rikazzz Comment
Bacteria and Archaea
F factor of E Coli consists of how many genes?
10
30
25
90
Author: rikazzz Comment
Bacteria and Archaea
In process of nitrogen fixation, nitrogen is converted in to which of following?
ammonia
methane
nitric acid
nitrous oxide
Author: rikazzz Comment
Bacteria and Archaea
Neisseria gonorrhoeae causes which of following?
gonorrhea
anthrax
polio
measles
Author: rikazzz Comment

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