The methanogens, a unique group within Archaebacteria, are characterized by their ability to:
Perform photosynthesis using bacteriochlorophyll
Produce methane as a metabolic byproduct
Fix atmospheric nitrogen in aerobic conditions
Survive extreme high pH environments
Related Questions
Cyanobacteria are:
Producers
Decomposers
Consumers
All the above
Heating milk at 65°C followed by sudden cooling is known as
Sterilization
Preservation
Pasteurization
Fermentation
Mycoplasma are also called
Actinomycetes
PPLO
Archaebacteria
POLO
Which of the following is not a feature of the plasmids?
Independent replication
Circular structure
Transferable
Single – stranded
Which of the following is NOT a type of archaebacteria?
Cyanobacteria
Methanogens
Halophiles
Thermoacidophiles
Heterotrophic bacteria are dependent on other organism for
Excretion
Nutrition
Digestion
Fission
Read the following statement about bacteria and select the correct option
Bacteria are simple in structure but complex in behavior
Bacteria are complex in structure but simple in behavior
Bacteria are simple in both structure and behavior
Bacteria are complex in both structure and behavior
Citrus canker is a
Viral disease
Bacterial disease
Fungal disease
Protozoan disease
Pigments present in BGA include?
Chlorophyll b and carotenoids
Chlorophyll a, carotenoids, and phycobilins
Chlorophyll a and phycobilins only
Chlorophyll b, carotenoids, and xanthophylls
Free living, aerobic, non-photosynthetic, nitrogen fixing bacterium is
Azotobacter
E.coli
Nostoc
Salmonella
