Which is not true for Paramecium

Options

A. Under unfavourable conditions from cysts
B. Presence of large number of cilia on the whole body surface
C. Contain contractile vacules for osmoregulation
D. Use pseudopodia for capturing prey.

Answer

To determine which statement is not true for Paramecium, we will analyze each of the provided options step by step.

1. **Option Analysis**:
- **"Under unfavourable conditions form cysts"**: This statement is true. Paramecium can form cysts when environmental conditions become unfavorable, allowing it to survive until conditions improve.

- **"Presence of large number of cilia on the whole body surface"**: This statement is also true. Paramecium is covered with numerous cilia that help in locomotion and feeding.

- **"Contain contractile vacuoles for osmoregulation"**: This statement is true as well. Paramecium has contractile vacuoles that help in regulating water balance by expelling excess water from the cell.

- **"Use pseudopodia for capturing prey"**: This statement is not true. Paramecium does not use pseudopodia; instead, it uses trichocysts to capture prey. Pseudopodia are characteristic of amoeba, not Paramecium.

2. **Conclusion**: The statement that is not true for Paramecium is "use pseudopodia for capturing prey."

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