The micro - Organism which has ability to fix nitrogen is...

• virus

• euglena

• clostridium

• spirogyra

Ethyl alcohol is converted into acetic acid by the action of...

• fats

• fungi

• algae

• bacteria

Formation of curd from milk is done by ....

• virus

• bacteria

• algae

• fungi

Nostoc is a kind of...

• bacteria

• fungi

• virus

• algae

Yeast helps in the fermentation of...

• sugar

• alcohol

• oxygen

• none of these

Penicillin is obtained from a ...

• protozoan

• fungus

• bacterium

• virus

Which if the following disease causes by plasmodium (protozoa)

• Malaria

• Typhoid

• Tuberculosis

• Sleeping sickness

The pneumonia causes by

• bacteria

• fungi

• protozoa

• algae

Fungi is responsible for

• pneumonia

• eczema

• malaria

• AIDS

Which if the following micro - organism cannot reproduce by itself

• Bacteria

• Virus

• Fungi

• Protozoa