Name two micro organisms which are used to make antibiotics.
Bacteria, virus
Bacteria, fungi
Virus, fungi
Fungi, algae
Name the rod shaped bacteria
Cocci
Bacilli
Spirillum
Vibrio
From which micro organisms penicillin is being manufactured?
Bacteria
Algae
Fungi
Virus
Name the species of bacteria which cause the disease 'citrus canker'
Xanthomonas citri
Xanthomonas oryzae
Pseudomonas spp
Solanacearum
Which bacteria turns milk into curd.
Lacto bacillus
Nodules are responsible for nitrogen fixation. Name the bacteria present inside the root nodules.
Acetobacter
Rhizobium
Clostridium
Nitrobacter
Name a good preservative.
Oxalic acid
Vinegar
Butyl alcohol
Methyl alcohol
Name a nitrogen-fixing bacteria
Bacillus ramosus
Nitro bacter
Nitrosomonas
Which gas is liberated by the conversion of sugar solution into alcohol.
Oxygen
Carbondioxide
Carbon monoxide
Nitrogen
Why are viruses very much used as biological research tools?
They have ability to pass on genetic information from one cell to another cell.
Due to their simplicity of structure and rapid multiplication.
They are used in eradicating harmful parts.
They are used to produce vaccine
