An insectivorous plant is

Options

A. Opuntia
B. Crotalaria
C. Eichhornia
D. Utricularia

Answer

### Step-by-Step Solution:

1. **Understanding Insectivorous Plants**: Insectivorous plants are plants that derive some or most of their nutrients from trapping and consuming insects. They are adapted to grow in nutrient-poor environments.

2. **Identifying the Options**: The options given are:
- Apentia
- Crotalaria
- Acornia
- Utrechalaria

3. **Analyzing Each Option**:
- **Apentia**: This is not known to be an insectivorous plant.
- **Crotalaria**: This is a genus of flowering plants and is not insectivorous.
- **Acornia**: This is also a genus of flowering plants and does not trap insects.
- **Utrechalaria**: This is recognized as an insectivorous plant that traps and ingests insects for nutrients.

4. **Conclusion**: Based on the analysis, the correct answer is **Utrechalaria**, as it is the only option that is an insectivorous plant.