Vivipary occurs in

Options

A. Rhizophora
B. Grasses
C. Bamboos
D. Hydrophytes

Answer

### Step-by-Step Solution:

1. **Understanding Vivipary**:
- Vivipary is a phenomenon where seeds germinate while still attached to the parent plant. This means that the embryo develops into a young plant without detaching from the parent.

2. **Characteristics of Vivipary**:
- In vivipary, the embryo grows and breaks through the seed coat while still connected to the parent plant. This allows the young plant to start its life in a more favorable environment.

3. **Identifying Plants that Exhibit Vivipary**:
- Vivipary is commonly observed in certain plant species, particularly in mangrove species. Mangroves are adapted to coastal environments and exhibit unique reproductive strategies.

4. **Options Given**:
- The options provided are:
- Rhizophora
- Bee grasses
- Sea bamboos
- Hydrophytes

5. **Determining the Correct Answer**:
- Among the options, **Rhizophora** is a well-known mangrove species that exhibits vivipary. The other options do not typically show this characteristic.

6. **Conclusion**:
- Therefore, the correct answer to the question "Vivipary occurs in" is **Rhizophora**.