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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.
Spotted wilt and mosaic are some of the viral diseases caused by microorganisms in
Plants
Animals
Human
2.
Nucleic acid of virus is made up of
Both DNA and RNA
RNA
DNA
3.
is
rod
spherical
spiral
shaped bacteria.
4.
Amoeboid are protozoans which move from one place to another with the help of
Pseudopods
Flagella
Ciliates
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