16 Questions
What is the most distinguishing characteristic used to group bacteria?
Cellular structure
Which type of bacteria can synthesize their own food from inorganic substrates?
Chemosynthetic autotrophic
What distinguishes Archaebacteria from other bacteria?
Cell wall structure
Where do many bacteria live as parasites?
Other organisms
In which habitat is it mentioned that very few other life forms can survive?
Deep oceans
What is the most abundant micro-organism?
Bacteria
What is the role of methanogens in the gut of ruminant animals?
They produce methane (biogas) from the dung of the animals
What is a characteristic feature of cyanobacteria?
Presence of chlorophyll a similar to green plants
What is the primary role of chemosynthetic autotrophic bacteria?
Oxidize inorganic substances and use the released energy for ATP production
How do heterotrophic bacteria contribute to nutrient recycling in nature?
They play a significant role in decomposing organic matter
What is a common method of reproduction for bacteria?
Fission
What distinguishes eubacteria from other types of bacteria?
Presence of a rigid cell wall and, if motile, a flagellum
What environmental condition may trigger spore production in bacteria?
Unfavorable conditions
Which type of bacteria can fix atmospheric nitrogen in specialized cells called heterocysts?
Cyanobacteria
What cellular component distinguishes cyanobacteria as photosynthetic autotrophs?
'Chlorophyll a' similar to green plants
What is the primary function of methanogens in the gut of ruminant animals?
Production of methane (biogas)
Take this quiz to test your knowledge about the diversity and habitats of bacteria. Learn about the different categories of bacteria and their ability to thrive in various environments.
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