The process of nitrogen fixation in cyanobacteria occurs within specialized cells called:
Akinetes
Hormogonia
Heterocysts
Carboxysomes
Related Questions
If a diploid cell undergoes mitosis, what will be the ploidy of the resulting daughter cells?
Haploid
Diploid
Triploid
Tetraploid
Which type of DNA is found in bacteria?
Helical DNA
Membrane bound DNA
Straight DNA
Circular free DNA
Which of the following bacteria fixes nitrogen without any plant association?
Rhizobium
Nostoc
Anabaena
Azotobacter
Organisms that often Bloom in polluted Water Bodies:
Archaebacteria
Eubacteria
Mycoplasma
Cyanobacteria
Which of the following is not characteristic of Gram positive bacteria?
Thick peptidoglycan layer
Lipoteichoic acids
Lipopolysaccharide (LPS)
Absence of an outer membrane
Which of the following diseases are caused by bacteria?
I. Flu II. Cholera
III. Typhoid IV. Tetanus
Codes
I, II and III
II, III and IV
I, III and IV
I, II, III and IV
Which is correct for the structure of cell wall of bacteria and fungi?
Both are made up of cellulose
Both have mucopeptide
Both are made up of N-acetylglucosamine
None of the above
Free living, aerobic, non-photosynthetic, nitrogen fixing bacterium is
Azotobacter
E.coli
Nostoc
Salmonella
When Bacteria are rod like, they are called?
Bacilli
Cocci
Spriilla
Vibrios
Curing of tea is brought about by the activity of
Bacteria
Mycorrhiza
Viruses
Fungi
