Question

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 _________.​

Answer 1

Answer:

1. microscope

2. nitrogen

3. microorganisms

4. mosquito

Answer 2

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

b)Blue green algae fix atmospheric 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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