EASY
8th CBSE
IMPORTANT
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Cholera is caused by a virus.

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Important Questions on Microorganisms

EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 2 - Microorganisms>EXERCISES>Q 7
Food preservation reduces the wastage of food.
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 2 - Microorganisms>EXERCISES>Q 8
Bacteria cause food poisoning.
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 2 - Microorganisms>EXERCISES>Q 1
Blue-green algae fix _____ and increase soil fertility. (oxygen/nitrogen)
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 2 - Microorganisms>EXERCISES>Q 2
Bacteria are _____ in size than viruses. (smaller/larger)
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 2 - Microorganisms>EXERCISES>Q 3
Disease-causing microbes are called _____. (pathogen/ protists/ protozoa)
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 2 - Microorganisms>EXERCISES>Q 4
Alcohol is produced using _____. (algae/yeast)
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 2 - Microorganisms>EXERCISES>Q 5
The process of conversion of sugar into alcohol in the absence of oxygen is called _____. (fermentation/pickling)
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 2 - Microorganisms>EXERCISES>Q 6
_____ can be induced artificially by introducing dead or weakened microbes in a healthy body. (Antibiotics/Vaccines)