The symbiotic association between fungi and roots of higher plants is called -

Options

A. lichen
B. mycorrhiza
C. biofertilizer
D. BOD

Answer

**Step-by-Step Solution:**

1. **Understanding Symbiotic Associations**:
- Symbiotic associations are interactions between two different organisms where both benefit from the relationship. In this case, we are looking for the specific association between fungi and the roots of higher plants.

2. **Identifying the Type of Symbiosis**:
- The relationship between fungi and the roots of higher plants is a mutualistic symbiosis. This means that both the fungi and the plants benefit from this association.

3. **Recognizing the Term**:
- The specific term used to describe the symbiotic association between fungi and the roots of higher plants is "mycorrhizae."

4. **Function of Mycorrhizae**:
- Mycorrhizae enhance the nutrient and water absorption capabilities of the plant roots. The fungi extend the root system's reach, allowing the plant to access more nutrients and water from the soil.

5. **Conclusion**:
- Therefore, the correct answer to the question is that the symbiotic association between fungi and the roots of higher plants is called "mycorrhizae."

**Final Answer**: Mycorrhizae

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