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Mycorrhizal represents an intimate mutua...

Mycorrhizal represents an intimate mutualistic relationship between

A

fungi and stem of higher plants

B

fungi and roots of higher plants

C

fungi and leaves of higher plants

D

fungi and leaflets of higher plants

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The correct Answer is:
To solve the question regarding the mutualistic relationship represented by Mycorrhizal, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Mycorrhizae**: Mycorrhizae refers to a symbiotic association between fungi and the roots of higher plants. This relationship is crucial for the nutrient uptake of the plants. 2. **Identifying the Components**: In this relationship, the fungi colonize the roots of the plants. The fungi benefit from the plant by receiving sugars and amino acids produced through photosynthesis. 3. **Function of Fungi**: The fungi enhance the plant's ability to absorb water and essential nutrients, particularly phosphorus, from the soil. This is vital for the growth and health of the plant. 4. **Mutual Benefits**: The relationship is mutualistic because both organisms benefit. The plant receives improved nutrient and water absorption, while the fungi receive organic compounds from the plant. 5. **Analyzing the Options**: - Option A: Fungi and stem of fire plants - Incorrect, as mycorrhizae involves roots, not stems. - Option B: Fungi and roots of fire plants - Correct, as this is the definition of mycorrhizae. - Option C: Fungi and leaves of fire plants - Incorrect, as mycorrhizae does not involve leaves. - Option D: Fungi and leaflets of fire plants - Incorrect, for the same reason as option C. 6. **Conclusion**: Based on the understanding of mycorrhizal relationships, the correct answer is option B: fungi and roots of fire plants. ### Final Answer: The correct answer is **B. fungi and roots of fire plants**.
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