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Jun 25, 2017 · Class 8th NCERT science book's Chapter 2, titled "Microorganisms; Friend and Foe" deals with microorganisms. Major groups of microorganisms, friendly and harmful microorganisms and their uses in our daily life.
Aug 27, 2012 · Microorganisms (Microbes) :- • Very small organisms which cannot be seen with the naked eye. • may be unicellular or multicellular • may exist alone like amoeba or in colonies like Fungi & Bacteria • found in all kinds of environment like ice cold climate, hot springs, deserts, marshy lands etc.
Jun 25, 2013 · Class 8th NCERT science book's Chapter 2, titled "Microorganisms; Friend and Foe" deals with microorganisms. Major groups of microorganisms, friendly and harmful microorganisms and their uses in our daily life.
Sep 23, 2017 · Class 8th NCERT science book's Chapter 2, titled "Microorganisms; Friend and Foe" deals with microorganisms. Major groups of microorganisms, friendly and harmful microorganisms and their uses in our daily life.
Introduction of PPT: Microorganisms: Friend or Foe in English is available as part of our Science Class 8 for Class 8 & PPT: Microorganisms: Friend or Foe in Hindi for Science Class 8 course. Download more important topics related with notes, lectures and mock test series for Class 8 Exam by signing up for free.
This document discusses microorganisms and their roles as both friends and foes to humans. It describes how microorganisms like bacteria and fungi cannot be seen with the naked eye but can be observed under a microscope.
Microorganisms are used for the large scale production of alcohol, wine and acetic acid (vinegar). Yeast is used for commercial production of alcohol and wine. For this purpose yeast is grown on natural sugars present in grains like barley, wheat, rice, crushed fruit juices, etc. Activity 2.4.
This document discusses microorganisms and provides examples of both helpful and harmful microbes. It describes the key differences between prokaryotes and eukaryotes, and gives examples of different types of microorganisms including bacteria, fungi, protozoa, algae, and viruses.
