Fill in the blanks.
(a) Microorganisms can be seen with the help of a ____________.
(b) Blue green algae fix __________ directly from air to enhance fertility of soil.
(c) Alcohol is produced with the help of __________.
(d) Cholera is caused by __________.

NCERT Class VIII
Science - Main Course Book

Chapter 2. Microorganisms: Friend and Foe

2

Answers

2015-05-27T21:36:38+05:30
Microscope.
nitrogen.
yeast/anaerobic bacteria
vibrio cholerae
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2015-05-27T21:57:28+05:30
(a) Microorganisms can be seen with the help of a microscope.
(b) Blue green algae fix nitrogen directly from air to enhance fertility of soil.
(c) Alcohol is produced with the help of yeast
(d) Cholera is caused by Vibrio cholerae
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