Choose the incorrect statement for cyanobacteria.
Perform oxygenic photosynthesis
Lack flagella throughout the life
Have specialised cells for nitrogen fixation
Have chlorophyll a and b similar to higher plants
Related Questions
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include
the:
Halophiles
Thermoacidophiles
Methanogens
Eubacteria
Which one of the following combinations of microbes is responsible for the formation and flavor of yoghurt?
Streptococcus thermophilus and Lactobacillus bulgaricus
Lactobacillus acidophilus and Bifidobacterium bifidum
Penicillium roqueforti and Saccharomyces cerevisiae
Escherichia coli and Staphylococcus aureus
A peculiar odour that prevails in marshy areas and cow-sheds is on account of a gas produced by
Mycoplasma
Archaebacteria
Slime moulds
Cyanobacteria
A bacterial cell divides once every minute and it takes 1 hour to fill a cup. How much time will it take to fill half the cup.
30 minutes
60 minutes
29 minutes
59 minutes
Heterocysts present in Nostoc are specialised for
Photosynthesis
Food storge
Nitrogen fixation
Fragmentation
The process of nitrogen fixation in cyanobacteria occurs within specialized cells called:
Akinetes
Hormogonia
Heterocysts
Carboxysomes
The ‘witches broom’ is caused by a
Virus
Mycoplasma
Bacterium
Fungus
Bacteria are helpful in
Making curd from milk
Production of antibiotics
Fixing nitrogen in legume roots
All of the above
Concerning the role of cell division in organisms, which statement is FALSE?
Cell division is essential for growth and development.
Cell division is involved in tissue repair and regeneration.
Cell division produces energy for the organism.
Cell division plays a role in reproduction.
The organism which perform oxygenic photosynthesis is
Chlorobium
Nostoc
Nitrosomonas
Nitrococcus
