Question

An association between roots of higher plants and fungi is called 1)lichens
2) fern
3) mycorrhizae
4)BGA


with reason

Answer 1

A mycorrhiza (from Greek μύκης mýkēs, "fungus", and ῥίζα rhiza, "root"; pl. mycorrhizae, mycorrhiza or mycorrhizas) is a symbiotic association between afungus and the roots of a vascular host plant. The term mycorrhiza refers to the role of the fungi in the plants' rhizosphere, its root system.

Answer 2

CORRECT OPTION IS:( ©️ )

$\textb{REASON: }$

An Association between roots of the higher plants and fungi is called mycorrhiza it is a symbiotic Association in which both the members are benefited .
Depending uponthe position of fungi mycorrhiza are of two types:

1)Ectomycorrhizae( most of the fungus lie on the surface of root )and

2)Endomycorrhizae (most of the fungus resides inside the cortex of the roots )

Fungus gets shelter and food from plant it obtains its nourishment from cortical cells of the roots fungal hyphae are spread in the soil over a large area they take part in absorption of water dissolving essential minerals in organic debris and providing it to the plant allowing the plant to grow in areas deficient in inorganic minerals .
Fungus secretes growth promoting substances and antimicrobial substances which protect routes from attack of pathogens and example is association between fungus and root of $pinus .$

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