Penicillium is economically improtant because it

Options

A. Cause pathogenic diseases
B. Spoils food material
C. Used in preparation of alcohol
D. Provides antibiotic drugs.

Answer

### Step-by-Step Solution:

1. **Identify the Organism**: The question asks about Penicillium, which is a genus of fungi. It is important to recognize that this organism plays a significant role in various economic applications.

2. **Historical Context**: Penicillium became widely known due to the work of Sir Alexander Fleming, who discovered it while researching the bacterium Staphylococcus. He noticed that a mold (Penicillium notatum) inhibited the growth of this bacterium.

3. **Chemical Production**: The mold Penicillium notatum produces a chemical called penicillin. This chemical has the ability to restrict the growth of certain harmful bacteria, making it a powerful antibiotic.

4. **Medical Importance**: The discovery of penicillin led to its extensive use in medicine, particularly during World War II, where it was used to treat wounded soldiers. This established penicillin as a critical antibiotic in modern medicine.

5. **Recognition**: For their contributions to the discovery and development of penicillin, Fleming, Ernst Chain, and Howard Florey were awarded the Nobel Prize in 1945.

6. **Conclusion**: Given the above points, the economic importance of Penicillium lies in its ability to provide antibiotic drugs, specifically penicillin, which is crucial for treating bacterial infections.

### Final Answer:
Penicillium is economically important because it provides antibiotic drugs (specifically penicillin).

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