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