The process of nitrogen fixation in cyanobacteria occurs within specialized cells called:
Akinetes
Hormogonia
Heterocysts
Carboxysomes
Related Questions
The cell wall of bacteria is primarily composed of:
Peptidoglycan
Chitin
Cellulose
Keratin
Monera includes
heterotrophs
chemoheterotrophs
chemoautotrophs
All the above
Bacteria reproduce primarily by:
Binary fission
Meiosis
Mitosis
Fragmentation
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
Which of the following features is NOT characteristic of the Kingdom Monera?
Membrane-bound organelles
70S ribosomes
Asexual reproduction
Presence of cell wall
Which bacterial cell structure plays a crucial role in conjugation, facilitating genetic exchange?
Flagella
Pili
Fimbriae
Capsule
Kingdom Monera includes
Bacteria
Cyanobacteria
Archaebacteria
All
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
Mycoplasma, unique among bacteria, lack a cell wall. This characteristic makes them:
Highly susceptible to osmotic lysis
Unable to survive in isotonic solutions
Resistant to antibiotics that target cell wall synthesis
Incapable of any form of motility
Which of the following is NOT a type of archaebacteria?
Cyanobacteria
Methanogens
Halophiles
Thermoacidophiles
