What are the major groups of microorgani | Class 8 Science Chapter Microorganisms: Friend and Foe, Microorganisms: Friend and Foe NCERT Solutions

Q5.

What are the major groups of microorganisms?

There are five major groups of microorganisms which are as follows:

  1. Bacteria: These are single celled organisms which are harmful as they causes diseases and some of them may be useful as they help. Based on their shape bacteria are of four types:
  • Bacillus (rod shape)
  • Coccus (spherical shape)
  • Spirillum (spiral shape)
  • Vibrio (comma shape)
  1. Fungi: These are non- green plants which consumes their food from dead and decay organic matter. And, they are heterotrophs.
  2. Protozoa: It is a group of single- celled microorganisms that have animal like characteristics. For example: Amoeba and Paramecium.  
  3. Algae: It is large group of simple plant like organisms. But they do not contain roots, stem or leaves. They can be unicellular or multicellular.
  4. Viruses: These are smallest microorganisms which reproduce only inside the host body. Outside the host body it behaves like non- living things.  
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NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Microorganisms: Friend and Foe.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
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Important Questions & Answers

Why is this answer important for exams?

This question is important because it tests key concepts from the NCERT syllabus and is frequently asked in CBSE exams.

Which NCERT concept is used in this question?

This question is based on core NCERT concepts explained in the chapter and should be revised thoroughly before exams.

What is the correct answer to: What are the major groups of microorganisms??

There are five major groups of microorganisms which are as follows:


Bacteria: These are single celled organisms which are harmful as they causes diseases and some of them may be useful as they help. Based on their ...

How do you solve What are the major groups of microorganisms? step by step?

Step-by-step explanation:
• There are five major groups of microorganisms which are as follows:


• Bacteria: These are single celled organisms which are harmful as they causes diseases and some of them may be useful as they help
• Based on their shape bacteria are of four types:

What common mistakes should be avoided in this question?

Students often lose marks by skipping steps, writing incomplete explanations, or misunderstanding keywords used in the question.

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