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Question

Which one of the following protozoans helps in cleaning the environment?


A

Euglena

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B

Amoeba

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C

Giardia

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D

Yeast

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Solution

The correct option is C

Giardia


Protozoans are the unicellular microorganism. Many protozoa are saprophytes that live on the dead matter in water and soil. Saprophytic protozoans help in cleaning the environment by decomposing organic matter in the water. Example: Giardia. Giardia is a flagellated saprophytic protozoan parasite. It is is found on surfaces or in soil, food, or water. It is used to decompose dead organic matters which are present in the soil and water.


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