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#protozoans

8 public questions tagged with this topic.

Biological Classification

The notorious disease 'sleeping sickness' is caused by Trypanosoma, which belongs to which major group of protozoans?

According to , the members of flagellated protozoans are either free-living or parasitic in nature, and they notably possess flagella for locomotion. The parasitic forms within this specific group are known to cause severe diseases in humans. A primary example provided in the text is Trypanosoma, which is the causative agent of the deadly disease known as sleeping sickness.

Ref: NCERT Class 11 Biology > Chapter 2: Biological Classification > 2.2 Kingdom Protista

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Biological Classification

Which group of protozoans utilizes pseudopodia (false feet) to move and capture prey, similar to Amoeba?

Amoeboid protozoans live in fresh water, sea water, or moist soil. The NCERT textbook describes that they move and successfully capture their prey by putting out cellular extensions called pseudopodia (false feet), perfectly exemplified by Amoeba. Some marine forms even have protective silica shells on their surface, and certain forms like Entamoeba function as harmful parasites in humans.

Ref: NCERT Class 11 Biology > Chapter 2: Biological Classification > 2.2 Kingdom Protista

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