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Subjects
Science CBSE
Class 8
Microorganisms - Friend and Foe
Helpful and diseasecausing microorganisms
22.
Protozoa and algae
Exercise condition:
4.5
m.
Choose the best answer:
1
.
Protozoa is a
Multicellular eukaryotes
Single-celled eukaryotes
Multicellular prokaryotes
Single-celled prokaryotes
2
.
A green patch formation on the surface of the ponds is due to organism _________
Algae
Bacteria
Amoeba
Fungi
3
.
All algae are
Either unicellular or multicellular
multicellular
Unicellular
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