Question

rcises
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
2. Tick the correct answer
(a) Yeast is used in the production of
(1) sugar
(1) alcohol (11) hydrochloric acid (iv) oxygen
lluring is an antibiotic
Alcohol (iv) Yeast​

Answer 1

Answer:

A Microscope

B nitrogen

c yeast

d vibrio cholerae

2

a alchol