Which one is wrongly matched?

Options

A. Gemma cups – Marchantia
B. Biflagellate zoospores– Brown algae
C. Uniflagellate gametes – Polysiphonia
D. Unicellular organism – Chlorella

Explanation

To determine which of the given options is wrongly matched, we will analyze each option one by one:

### Step 1: Analyze Option A - Gemma Cups and Markandshia
- **Explanation**: Markandshia is a liverwort, which belongs to the group Bryophytes. Gemma cups are reproductive structures found on the thallus of liverworts, including Markandshia.
- **Conclusion**: This combination is correct.

### Step 2: Analyze Option B - Biflagellate Zoospores and Brown Algae
- **Explanation**: Brown algae, classified under Pheophyceae, reproduce using biflagellate zoospores, which have two flagella for locomotion.
- **Conclusion**: This combination is also correct.

### Step 3: Analyze Option C - Uniflagellate Gamete and Polysiphonia
- **Explanation**: Polysiphonia is a red alga, classified under Rhodophyceae. In red algae, the gametes are typically non-motile and do not possess flagella. Therefore, stating that Polysiphonia has uniflagellate gametes is incorrect.
- **Conclusion**: This combination is incorrect.

### Step 4: Analyze Option D - Unicellular Organism Chlorella
- **Explanation**: Chlorella is a green alga, belonging to the Chlorophyceae. It is indeed unicellular, fitting the description perfectly.
- **Conclusion**: This combination is correct.

### Final Conclusion
The wrongly matched pair is **Option C: Uniflagellate Gamete and Polysiphonia**.

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