Chapter 2: Microorganisms: Friend and Foe

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Q
Microorganisms: Friend and Foe

Question:

Fill in the blanks.

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

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

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

(d) Cholera is caused by __________.

Answer:

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

(b) Blue green algae fix nitrogen directly from air and enhance fertility of soil.

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

(d) Cholera is caused by bacteria.


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