Bark of which of the following plants yields a drug for the treatment of malaria?

Options

A. Cinchona officinalis
B. Acacia arabia
C. Quercus suber
D. Cinnamomum

Explanation

To determine which plant's bark yields a drug for the treatment of malaria, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Drug Used for Malaria Treatment**:
- The primary drug used for treating malaria is quinine.

2. **Understand the Properties of Quinine**:
- Quinine is a white crystalline alkaloid that is known for its bitter taste.
- It has several medicinal properties, including:
- **Antipyretic**: Reduces fever.
- **Analgesic**: Acts as a painkiller.
- **Anti-inflammatory**: Reduces inflammation.

3. **Determine the Source of Quinine**:
- Quinine is derived from the bark of a specific plant.

4. **Identify the Correct Plant**:
- The plant that yields quinine is **Quinchona officinalis**.

5. **Evaluate the Options Given**:
- If the options include:
- Quinchona officinalis
- Acacia arabica
- Curcuma longa
- Cinnamomum
- The correct answer is **Quinchona officinalis** as it is the only plant among the options that produces quinine.

### Final Answer:
The bark of **Quinchona officinalis** yields a drug for the treatment of malaria.

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