Consider the following plants :
yeast,Bryophyllum, Rose, Fern, Sweet potato
Which of these plants is reproduced : by leaves ?

Options

A. Yeast
B. Bryophyllum
C. Rose
D. Fern

Answer

To determine which of the listed plants reproduces by leaves, we will analyze each option step by step.

### Step-by-Step Solution:

1. **Identify the Plants**: The plants listed are yeast, Bryophyllum, rose, fern, and sweet potato.

2. **Analyze Yeast**: Yeast is a fungus and does not reproduce through leaves. It typically reproduces through budding or fission.
- **Conclusion**: Yeast does not reproduce by leaves.

3. **Analyze Bryophyllum**: Bryophyllum is known for its ability to reproduce vegetatively. It can produce new plants from its leaves. When the leaves fall on moist soil, they can develop new plants from the buds located along the leaf margins.
- **Conclusion**: Bryophyllum reproduces by leaves.

4. **Analyze Rose**: Roses typically reproduce through cuttings or grafting, not by leaves.
- **Conclusion**: Rose does not reproduce by leaves.

5. **Analyze Fern**: Ferns reproduce through spores, which are produced in sporangia, not by leaves.
- **Conclusion**: Fern does not reproduce by leaves.

6. **Analyze Sweet Potato**: Sweet potatoes reproduce through their roots, specifically through adventitious roots, not leaves.
- **Conclusion**: Sweet potato does not reproduce by leaves.

### Final Answer:
The plant that reproduces by leaves from the given options is **Bryophyllum**.

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