Cycas pinus Coralloid root Vivipary Anabaena Nostoc Marsilea Usnea Oscillatoria Pneumatophore Eichhorina.
(iii) ………………. Is an aquatic pteridophyte and ………….. Is an aquatic angiosperm.

Answer

To solve the question, we need to identify the aquatic pteridophyte and the aquatic angiosperm from the given list of options.

### Step-by-Step Solution:

1. **Understanding the Terms**:
- **Pteridophyte**: These are vascular plants that reproduce via spores and do not produce seeds. They include ferns and their relatives.
- **Angiosperm**: These are flowering plants that produce seeds enclosed within a fruit.

2. **Identifying Aquatic Plants**:
- From the list provided, we need to find which of the plants are aquatic.
- **Marsilea** is known to be an aquatic pteridophyte. It is often found in water bodies like ponds and lakes.
- **Eichhornia** (often referred to as water hyacinth) is an aquatic angiosperm. It is a flowering plant that floats on water.

3. **Final Answer**:
- Therefore, the answer to the question is:
- Marsilea is an aquatic pteridophyte.
- Eichhornia is an aquatic angiosperm.

### Complete Answer:
(iii) Marsilea is an aquatic pteridophyte and Eichhornia is an aquatic angiosperm.

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