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NCERT Question 1 - Chapter 2 Class 8 - Microorganisms : Friend and Foe

Last updated at March 16, 2023 by

Fill in the blanks:

(a) Microorganisms can be seen with the help of a ____________.

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(b) Blue green algae fix __________ directly from air to enhance fertility of soil.

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(c) Alcohol is produced with the help of __________.

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(d) Cholera is caused by __________.

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo