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How is mycorrhizal association helpful in absorption of water and minerals in plants?
Answer

Mycorrhiza : It is the symbiotic association between roots of some plants and fungi. The hyphae provide a very large surface area and absorb mineral ions and water from soil. This is not possible for roots. The fungi provides mineral and water to roots. The hyphae secrete chemicals which protect the roots from pathogens. Thus  mycorrhizal association is helpful in absorption of water and minerals in plant cells.