Biological Classification Ques 15
15. 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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