Microorganisms friend and foe | Chapter 2 | Class 8 NCERT by KTCC

1.Fill in the blanks a) The microorganism can be seen with the help of. Ans- Microscope b) Blue-green algae fix directly from the air to enhance soil fertility.Ans- Nitrogenc) Alcohol is produced with the help of _ Ans- Microorganisms d) Cholera is caused by.Ans- Bacteria Tick The Correct Answera) Yeast is used in the production …

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