Question

Write short notes :-
A) Useful and harmful bacteria​

Answer 1

Explanation:

: Along with the beneficial importance of bacteria, they also have some harmful effect on the human body. Some bacterial species are the source of causing diseases like typhoid fever, tuberculosis, cholera, syphilis and food borne illness. To kill harmful bacteria, antibiotics are used.

hope it's helpful for you ☺️

Answer 2

Answer:

Useful and harmful bacteria :

Along with the beneficial importance of bacteria, they also have some harmful effect on the human body. Some bacterial species are the source of causing diseases like typhoid fever, tuberculosis, cholera, syphilis and food borne illness. To kill harmful bacteria, antibiotics are used.