NEET 2012 Biology question

Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition ?

(1)Trichoderma
(2)Azotobacter
(3)Aspergillus
(4)GlomusCorrect

Answer: (4)

Solution

Glomus is a fungus that forms mycorrhiza (a symbiotic association with plant roots). It absorbs phosphorus from the soil and passes it to the plant, and also helps in water absorption, resistance to root pathogens and tolerance to salinity and drought; the

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Question ID VK-091230