Question

Give three points each of usefulness of microorganism and harm caused by microorganisms​

Answer 1

Answer:

Usefulness :

1) Microbes also play an important role in the preparation of medicines. Antibiotics are chemicals produced by microorganisms to kill bacteria. Penicillin is an antibiotic made from Penicillium.

2) Lactobacillus is used to form curd from milk.

3) Rhizobium present in pulse plants’ roots fix nitrogen from the air and supply nitrogen compounds to the pulse plant

Harmfulness:

Food spoilage

Some micro-organisms such as fungus spoil our food.

Spreading of diseases

Microorganisms cause diseases in animals.

Disinfecting the surfaces where the microbe resides

It spreads the harmful and poisonous substance where it resides