Question

useful and harmful bacteria​

Answer 1

Answer:

Useful bacteria: Most of the bacteria act as a decomposer. They breakdown large molecules into simple molecules or minerals. Examples of some useful bacteria: ...

Harmful bacteria: This includes disease causing bacteria. They cause various diseases like typhoid, cholera, tuberculosis, tetanus, etc

Answer 2

Answer:

Hi..

Useful bacteria: Most of the bacteria act as a decomposer. They breakdown large molecules into simple molecules or minerals.

Examples of some useful bacteria : Lactobacillus , Rhizobium , etc..

Harmful bacteria: This includes disease causing bacteria. They cause various diseases like typhoid, cholera, tuberculosis, tetanus, etc.

Examples of some harmful bacteria : Salmonella typhi , Vibrio cholerae , etc..