Protozoan Classification & Nutrition — NEET Biology
📚 Practice ConceptAll protozoans are heterotrophs and live as predators or parasites. They are believed to be primitive relatives of animals. There are four major groups of protozoans.
Match the following protist groups with their distinctive structural features and ecological/nutritional roles: Column I (Protist Group) P. Chrysophytes Q. Euglenoids R. Slime Moulds S. Protozoans Column II (Key Structural Feature) 1. Siliceous cell walls 2. Protein-rich pellicle 3. Aggregation called plasmodium 4. Absence of cell wall, presence of pseudopodia/flagella/cilia Column III (Ecological/Nutritional Role) i. Primarily aquatic, used in polishing and filtration ii. Mixotrophic, possessing pigments similar to higher plants iii. Saprophytic, spores dispersed by air currents iv. Heterotrophic as predators or parasites, primitive relatives of animals Choose the option that correctly matches Column I, Column II, and Column III:
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