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Which one of following is a useful functional association between fungi and the roots of higher plants?
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- Biofertilizer
- Coralloid root
- Lichen
- Mycorrhiza
Correct Option: D
Mycorrhiza is the symbiotic association between roots of vascular plants and some ectoparasitic fungus. The fungal hyphae make a mesh around the roots which increase the surface area for absorption of water and mineral nutrients by the roots. The fungus in turn takes up carbohydrates and sugars from the roots.
