Question

Write a short paragraph on the harms caused by microorganisms

NCERT Class 8th Science Chapter 2 Microorganisms: Friend and Foe

Answer 1

harms of microorganisms are
1) bacteria causes many dangerous disease
2) protozoans cause serious illness like malaria
3) some of the microorganisms grow on food this causes food poisoning

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.