Biological Classification Question 105

105. Mycorrhiza is

(a) a symbiotic association of plant roots and certain fungi

(b) an association of algae with fungi

(c) a fungus parasitising root system of higher plants

(d) an association of Rhizobium with the roots of leguminous plants

Show Answer

Answer : a

Hints & Solutions

(a) Association of algae and fungi is referred to as lichen. Symbiotic association of Rhizobium with roots of leguminous plants is referred to as symbiosis. Mycorrhiza is a symbiotic association between fungi and roots of higher plants. The fungal partner of mycorrhiza obtains food from roots of the higher plant and in return supplies mineral elements to it.



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