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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. Identify the microorganism which is having characteristics of an animal?

Bacteria
Fungi
Protozoa
Algae

2. Identify the incorrect statements about protozoa

Protozoans lack chlorophyll and a cell wall.
All protozoans are harmless
Protozoans are heterotrophic organisms
Protozoans are unicellular eukaryotes

3. Identify the multicellular algae

Chlorella
Volvox
Fucus

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