Question

write uses and harmfulness of micro-organisms........

Answer 1

Microorganism can be harmful and useful
Yeast is a microorganism and it is used in bread but some bacterial ( micro organisms) Can be harmful , they can make you Sick ,

Answer 2

Heyaa folk,

✪ Uses of microorganisms :

➟ Microorganisms are used in-
1 ) Food making processes. (Such as baking).
2) Pickling.
3) Brewing.
4) Wine making.

➟ Do you know ??
The process which yoghurt and cheese like products made by, is called as fermentation.

What's fermentation ?
➟ Fermentation is a process in which chemicals are breakdown by microorganisms.

✪ Harmful effects of microorganisms :

➟ There are many microorganisms that causes diseases. These microorganisms included bacteria, viruses, protozoa, fungii. They even lead us to death. They are so small but they are harmful for us.

Some of microorganisms are free living but some, are parasites.

Now,
What's parasites ??
➟ The parasites are very harmful for human Being's body as they cause various diseases, like trichinosis.

Hope it helps u :)
- no4 ✯ Brainly Star ✯