Which one of the following is a parasitic plant ?

Options

A. Drosera
B. Cuscuta
C. Nepenthes
D. Utricularia

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks to identify which of the given options is a parasitic plant. A parasitic plant derives some or all of its nutritional requirements from another living plant.

2. **Reviewing the Options**: The options provided are:
- Drosera
- Cascuta
- Nepenthes
- Eutrichia

3. **Analyzing Each Option**:
- **Drosera**: This is a genus of carnivorous plants commonly known as sundews. They capture insects for nutrients but are not parasites.
- **Cascuta**: Commonly known as dodder, this is a true parasitic plant that lacks chlorophyll and relies on other plants for nutrients.
- **Nepenthes**: This is another genus of carnivorous plants known as pitcher plants. They also capture insects for nutrients and are not parasites.
- **Eutrichia**: This is less commonly known, but it is also not recognized as a parasitic plant.

4. **Identifying the Correct Answer**: Among the options, **Cascuta** is the only plant that is classified as a parasite because it does not perform photosynthesis due to the absence of chlorophyll and relies on other plants for its nutrients.

5. **Conclusion**: The correct answer to the question is **Cascuta**.

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