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Subjects
Science CBSE
Class 8
Microorganisms - Friend and Foe
Helpful and diseasecausing microorganisms
47.
Food preservation and shapes of microorganisms
Exercise condition:
7
m.
1.
Pasteurization is carried out to remove
Solid particles
Dust
Microbes
2.
Fresh meat or fish are covered with dry salt rocks because salt is a
Preservative
Antibiotics
Medicine
3
.
Example of helical shaped virus is
HIV, influenza
Tobacco mosaic virus
bacteriophage
4.
is a
enveloped
complex
polyhedral
shaped virus.
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