Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition?
Option: 1
Azotobacter
Option: 2
Aspergillus
Option: 3
Glomus
Option: 4
Trichoderma
Answers (1)
Free-living microbes like Azotobacter, Aspergillus, and Trichoderma aid plants in their nutrition.
While Glomus is a fungus that symbiotically forms endomycorrhiza (a symbiotic association with the roots of plants) that helps in the absorption of nutrition especially phosphorus from soil.