Roots do not occure in

Options

A. Wolffia
B. Ceratophyllum
C. Utrcularia
D. All the above.

Answer

To solve the question "Roots do not occur in," we need to analyze the given options one by one to determine which plants lack roots.

### Step-by-Step Solution:

1. **Understand the Question**: The question asks us to identify which of the given options do not have roots.

2. **Analyze the Options**:
- **Option 1: Wolffia**:
- Wolffia is known as duckweed and is one of the smallest flowering plants.
- It floats on water and does not have true roots; instead, it has root-like structures that help it stay anchored but do not function like typical roots.

- **Option 2: Ceratophyllum**:
- Ceratophyllum, commonly known as coontail, is another aquatic plant.
- It also does not have true roots; it is entirely submerged in water and relies on its structure for buoyancy and nutrient absorption.

- **Option 3: Eutrichularia**:
- Eutrichularia, or bladderwort, is a carnivorous plant that is also found in aquatic environments.
- It does not have true roots; instead, it has specialized structures for capturing prey and floating in water.

- **Option 4: All of the above**:
- Since all the previous options (Wolffia, Ceratophyllum, and Eutrichularia) do not have true roots, this option suggests that all listed plants lack roots.

3. **Conclusion**:
- Since all three options (Wolffia, Ceratophyllum, and Eutrichularia) do not have true roots, the correct answer is **Option 4: All of the above**.

### Final Answer:
**Option 4: All of the above**

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