Which domain of life includes organisms capable of methanogenesis?
Bacteria
Archaea
Eukarya
None of the above
Related Questions
Genophore term was coined by Hans Ris for
Genetic material of virus
Stack on which spore originated
Bacterial chromosome
Fungal chromosome
Choose the correct sequence of stages of growth curve for bacteria
Lag, log, stationary, decline phase
Lag, log, stationary phase
Stationary, lag, log, decline phase
Decline, lag, log phase
Thermococcus,Methanococcus and Methanobacterium are
Archaebacteria having eukaryotic histone homologue
Bacteria with cytoskeleton
Archaebacteria with negatively supercoiled DNA as eukaryotes but lacking histones
Bacteria having positively coiled DNA, cytoskeleton, mitochondria
In which of the following will you look for E.Coli?
Milk
Water
human intestine
Soil
Substances secreted by bacteria are
Proteins
Toxins
Interferons
Antibiotics
Bacteria are found in
Soil
Hot springs
Desert and snow
Everywhere
Read the given statements and select the correct option.
Statement A: Monerans are most primitive organisms
Statement B: Monerans include only Bacteria
Statement A is correct and Statement B is incorrect
Statement A is incorrect and Statement B is correct
Both Statement A and Statement B are correct
Both Statement A and Statement B are incorrect
The common nitrogen-fixer in paddy fields is
Rhizobium
Azospirillum
Oscillatoria
Frankia
Assertion: Halophiles are found in environments with high salt concentrations.
Reason: They possess specialized adaptations to regulate osmotic pressure.
Choose the correct option:
Both assertion and reason are true, and reason is the correct explanation for assertion
Both assertion and reason are true, but reason is not the correct explanation for assertion
Assertion is true, but reason is false
Assertion is false, but reason is true
Bacteria that fix by using chemical energy as source, are
Photoautotrophs
Photoheterotrophs
Chemoautotrophs
Chemoheterotrophs
