Question

give two way in which bacteria are useful to us and two way in which they are harmful

Answer 1

Answer:

uses of bacteria.

1] used in making of fertilizers.

2] used in making dairy products.

disadvantage of bacteria.

1] it causes infection.

2] it causes diseases like typhoid TB etc.

Answer 2

1. Bacteria are useful as they help in the curdling of milk
2. they are used to make many medicines
3. they are harmful as they are responsible for causing many diseases in human beings like TB ,cholera.
4. Hope it helps uh....