A) nutrition up taking
B) food manufacturing
C) disease resistance
D) disease prevention
Correct Answer: A
Solution :
Mycorrhiza is a symbiotic relationship of fungi with the roots of higher plants particularly the forest trees. The root hairs are absent in this region of root. It is suggested that the fungus hyphae do the work of root hairs. They absorb water and minerals in solution form from the soil and transmit to the root of tree. The tree provides food to the fungus. Mycorrhiza is of two types Ectotrophic: When the fungal hyphae live on the surface of root. Endotrophic: When the fungal hyphae penetrate the root and grow inside the root tissue.
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