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STD 12 - 8. microbes in human welfare — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 8. microbes in human welfare1 Mark
MCQ
An example of endomycorrhiza is
  • A
    Nostoc
  • ✓
    Glomus
  • C
    Agaricus
  • D
    Rhizobium.
✓

Answer

Correct option: B.
Glomus
b
(b) : The genus Glomus form endomycorrhiza, a symbiotic associations with plants. The fungal symbiont in these associations absorbs phosphorus from soil and passes it to the plant. Plants having such associations show other benefits also, such as resistance to root­borne pathogens, tolerance to salinity and drought, and an overall increase in plant growth and development.Nostoc is a blue green algae, Agaricus is a basidiomycetes, Rhizobium is a eubacteria.

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