CBSE
Gujarat Board
Haryana Board
Class 10
Class 12
Alcohol is produced with the help of _______.
yeast
Cholera is caused by ________.
bacteria
Blue green algae fix _______ directly from air to enhance fertility of soil.
atmospheric nitrogen
Yeast is used in the production of
sugar
alcohol
hydrochloric acid
oxygen
B.
Microorganisms can be seen with the help of a _________.
microscope