Riccia fluitans multiplies vegetatively by

Options

A. Rhizoids
B. Tubers
C. Adventitious branches
D. Gemmae

Answer

**Step-by-Step Solution:**

1. **Identify the Organism**: Riccia fluitans is a type of aquatic plant known as a floating crystalwort. It belongs to the group of plants called liverworts.

2. **Habitat**: This plant is commonly found in floating ponds and often forms a thick mat on the water's surface.

3. **Reproduction Method**: The question asks about vegetative reproduction, which is a form of asexual reproduction where new plants grow from parts of the parent plant.

4. **Options Analysis**: The options provided are:
- A) Rhizoid
- B) Tuber
- C) Adventitious branches
- D) The resist gamma

5. **Correct Answer**: Riccia fluitans primarily reproduces vegetatively through **adventitious branches**. These branches can grow into new plants, allowing for the spread and multiplication of the species.

6. **Conclusion**: Therefore, the correct answer to the question "Riccia fluitans multiplies vegetatively by" is **C) Adventitious branches**.

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