Question:
Undulipodia are
Undulipodia are
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Undulipodia = flagella/cilia; movement by bending; 9+2 microtubule arrangement is key identifier.
Updated On: Jun 19, 2026
- Flagella and cilia of protozoans
- Cilia and pseudopodia of protozoans
- Flagella and pseudopodia of protozoans
- Pseudopodia and myonemes
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The Correct Option is A
Solution and Explanation
Step 1: Define undulipodia.
- Undulipodia are whip-like locomotory organelles of eukaryotic cells, primarily used for movement.
Step 2: Structure and occurrence.
- Structurally consist of microtubules in 9+2 arrangement.
- Found as flagella or cilia in protozoans, algae, and sperm cells.
Step 3: Function.
- Flagella: long whip-like structures, move cell forward.
- Cilia: short hair-like structures, coordinated beating helps movement or feeding currents.
Step 4: Comparison with other options.
- Pseudopodia: cytoplasmic projections for amoeboid movement.
- Myonemes: contractile elements, not locomotory organelles.
Step 5: Conclusion.
- Therefore, undulipodia specifically refer to flagella and cilia of protozoans.
- Undulipodia are whip-like locomotory organelles of eukaryotic cells, primarily used for movement.
Step 2: Structure and occurrence.
- Structurally consist of microtubules in 9+2 arrangement.
- Found as flagella or cilia in protozoans, algae, and sperm cells.
Step 3: Function.
- Flagella: long whip-like structures, move cell forward.
- Cilia: short hair-like structures, coordinated beating helps movement or feeding currents.
Step 4: Comparison with other options.
- Pseudopodia: cytoplasmic projections for amoeboid movement.
- Myonemes: contractile elements, not locomotory organelles.
Step 5: Conclusion.
- Therefore, undulipodia specifically refer to flagella and cilia of protozoans.
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