Question

write a short paragraph on the harm caused by microorganisms

Answer 1

micro-organisms such as bacteria cause diseases like typhoid, tuberculosis, cholera, etc.
fungi cause the rusting of wheat and it also spoils food
algae produces toxins which are harmful to aquatic life
protozoa causes diseases like dysentery and malaria
viruses cause cold and influenza(flu)

Answer 2

Answer:

Explanation:

Microorganisms are also very harmful to us. They cause a number of diseases inhuman as well as in other animals. Common cold, Tuberculosis, Measles, Chicken Pox, Polio, Cholera, Typhoid, Hepatitis B, Malaria, are some common human diseases caused by microorganisms. They also spoil clothes and leather products. They also cause diseases in plants like blights in potatoes, sugarcanes, oranges etc. They also reduce the crop production.