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Subjects
Science CBSE
Class 8
Microorganisms - Friend and Foe
Helpful and diseasecausing microorganisms
24.
Infectious diseases
Exercise condition:
5.5
m.
Choose the correct answer:
1.
Bacillus anthracis is a
Bacterium
Alga
Fungus
2.
Mycobacterium tuberculosis
and streptococcus mutants are
Pathogens
Useful microorganisms
Harmless organisms
3.
is
spiral
spherical
rod
shaped bacteria.
4.
Non living characteristic features of virus
They are very active on outside their hosts
They are inactive on outside their hosts
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