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

Answer:

a)microscope

b)nitrogen

c)yeast

d)Vibrio Cholera

Answer 2

Answer:

a. microscope

b.nitrogen

c.yeast

d.infection of the intestine with Vibrio cholerae bacteria.