Question

Class 8 microorganisms friend and foe hots question

Answer 1

Microorganisms:
(i) Organisms which are too small to be seen by the naked eye, especially a single celled organism is called microorganisms or microbes.
(ii) Microorganisms are classified into four major groups- bacteria, fungi, protozoa and some algae.



Bactria

 



Protozoa



Red, Brown and Green Alga



Fungai

(iii) Viruses are also microscopic. They reproduce only inside the cells of the host organism, which may be a bacterium, plant or animal.