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 8th Science Chapter 2 Microorganisms: Friend and Foe

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Answers

2016-04-18T20:33:58+05:30
A) Microscope
b) Nitrogen
c) Yeast
d) Bacteria
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