Question

Q - 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

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

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

c)Alcohol is produced with the help of yeast.

d)Cholera is caused by bacteria.

Answer 2

Answer:

a) microscope

b) wind

c) yeast

d) infection

Explanation:

I hope my ans is helpful to you