Question

How does the application of the fungal genus, Glomus, to the agricultural farm increase the farm output?  (2) 

CBSE Class XII Biology Question Paper 2017

Answer 1

The use of Glomus to agricultural field increases the farm output by increasing the nutrient availability to the crops. Many members of  the genus, Glomus form mycorrhiza. The fungal symbiont in these associations absorbs phosphorus from soil and passes it to the plant. Plant having such association show other benefits also, such as:

1. Resistance to root borne pathogens

2. Tolerance to salinity and drought

3.  Overall Increase in plant growth and development