The carnivorous plants usually have one of the following specialised organs to catch their prey:

Options

A. stems
B. branches
C. leaves
D. modified roots

Answer

**Step-by-Step Solution:**

1. **Understanding Carnivorous Plants**: Carnivorous plants are unique types of plants that have adapted to capture and digest insects and other small organisms. This adaptation is primarily due to their growth in nitrogen-poor soils, where they need additional nutrients.

2. **Specialized Organs**: To catch their prey, carnivorous plants have developed specialized structures. The question asks which of the following organs is specialized for this purpose: stems, branches, leaves, or modified roots.

3. **Identifying the Correct Organ**: Among the options provided, the most common specialized organ in carnivorous plants is the leaves. These leaves are modified into traps that can capture insects.

4. **Examples of Carnivorous Plants**:
- The **Venus flytrap** has leaves that snap shut when prey touches its sensitive hairs.
- The **pitcher plant** has leaves that form a deep cavity filled with digestive liquid, where insects fall and are digested.

5. **Conclusion**: Based on the adaptations and functions of these structures, the correct answer to the question is that carnivorous plants usually have modified **leaves** to catch their prey.

**Final Answer**: The specialized organ that carnivorous plants use to catch their prey is **leaves**.

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