Question

1. 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 1

Answers :-

(a) microscope

(b) nitrogen

(c) Yeast

(d) bacteria - vibrio cholera

hope it helps!!!!

Answer 2

a) microscope

b)nitrogen

c) yeast

d)vibrio cholerae bacteria

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