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Subjects
Science State Board
Class 9
World of microbes
Microbes and diseases
14.
Introduction: Microorganisms
Exercise condition:
3
m.
Choose the best answer:
1
.
Microbiology is the field of study of ____
Microbes
Human cells
DNA
All the above
2
.
Virus is a ______ organism
Acellular
Multicellular
None of the above
Unicellular
3
.
For motility, bacteria have unique structures called ____
Flagella
Cell wall
Pilli
Cell membrane
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