Use of bio-resources by multinational companies and organisations without authorisation from the concerned country and its people is called

Options

A. Bio-infringement
B. Bioexploitation
C. Biodegradation
D. Biopiracy

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the unauthorized use of bio-resources by multinational companies and organizations. We need to identify the term that describes this practice.

2. **Defining Bio-resources**: Bio-resources refer to biological materials that can be utilized for various purposes, including biotechnology. These resources can include plants, animals, and microorganisms that have potential economic value.

3. **Identifying the Options**: The options provided are:
- Bioenrichment
- Bioexploitation
- Biodegradation
- Biopiracy

4. **Analyzing Each Option**:
- **Bioenrichment**: This refers to the process of increasing the concentration of certain biological materials, typically in the context of improving soil or water quality.
- **Bioexploitation**: This term generally refers to the overuse or unsustainable use of biological resources but does not specifically indicate unauthorized use.
- **Biodegradation**: This is the process by which organic substances are broken down by living organisms, particularly microorganisms. It does not relate to unauthorized use.
- **Biopiracy**: This term specifically refers to the unauthorized use of biological resources, particularly by multinational corporations, without the consent of the local communities or countries from which these resources originate.

5. **Conclusion**: Given the definitions and the context of the question, the correct term that describes the unauthorized use of bio-resources by multinational companies is **Biopiracy**.

**Final Answer**: Biopiracy

---