Class 11 · Biological Classification

Flagellated Protozoans and Disease — NEET Biology

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📖 NCERT Source

Flagellated protozoans: The members of this group are either free-living or parasitic. They have flagella. The parasitic forms cause diseases such as sleeping sickness. Example: Trypanosoma.

NCERT Biology · Class 11 · Chapter 2 · Paragraph 25
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Match the group with ecological role or feature: Group A. Cyanobacteria B. Slime Moulds C. Yeast D. Trypanosoma Function/Feature 1. Saprophytic nutrient recycling 2. Fermentation and unicellular fungus 3. Nitrogen fixation in heterocysts 4. Flagellated protozoan causing disease

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Correct answer: B A–3, B–1, C–2, D–4

Each group has unique structural and ecological characteristics. Cyanobacteria fix nitrogen by heterocyst. Slime moulds facilitate saprophytic nutrient recycling. Yeast is a unicellular fungus and helps in fermentation. Trypanosoma is a flagellated protozoan causing sleeping sickness.

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What does NCERT say about Flagellated protozoans members this?
Flagellated protozoans: The members of this group are either free-living or parasitic. They have flagella.
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Which chapter is this from?
Biological Classification, Class 11 NCERT Biology.

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