Which one yields drug for malaria?
(a) penicillium
(b) algae
(c) bacteria
(d) cinchona bark

Options

A. penicillium
B. algae
C. barteria
D. cinchona bark

Answer

To determine which option yields a drug for malaria, let's analyze each option step by step.

### Step 1: Analyze Option A - Penicillium
- **Explanation**: Penicillium is a type of fungus known for producing the antibiotic penicillin. However, penicillin is not used to treat malaria.
- **Conclusion**: This option is not correct.

### Step 2: Analyze Option B - Algae
- **Explanation**: Algae are used in various applications, including the production of some drugs, but they are not specifically known for producing a drug for malaria.
- **Conclusion**: This option is also not correct.

### Step 3: Analyze Option C - Bacteria
- **Explanation**: While certain bacteria can produce antibiotics and other compounds, they are not directly associated with the treatment of malaria.
- **Conclusion**: This option is not correct.

### Step 4: Analyze Option D - Cinchona Bark
- **Explanation**: The bark of the Cinchona tree (Cinchona officinalis) is well-known for containing quinine, which is a drug used to treat malaria.
- **Conclusion**: This option is correct.

### Final Answer
The correct answer is **(d) cinchona bark**.

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