Question

discuss the three important ways in which bacteria are usefull to us and two ways in which they are harmfull to us

Answer 1

Benefits:-

1.) Bacteria such as lactobacillus improve gut health and aid in digestion

2.) Various vaccines are made from bacteria

Disadvantages:-

1.) Bacteria cause various disease such as thypiod

2.)Bacteria can be a host to various viruses

Answer 2

Harmful effects of bacteria

1.lt spoil the leather clothes.

2.It spoil the food which causes food poising

3 It also spoil the wooden articles

usefullness of bacteria

1 Agar-Agar is a type of bacteria used in making up of jellis.

2 Bacteria keeps the environment clean by eating the desposal waste.

3 Lactobacillus bacterium helps in formation of curd