Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 15 PCB Single Correct MCQ
Published on: August 14, 2026

Which of the following is incorrect about the benefit provided by organism to its associated partners?

A
Glomus provide resistance to root-borne pathogens, tolerance to salinity and drought, and an overall increase in plant growth and development.
B
Cyanobacteria. increase organic material in soil to increase fertility
C
Rhizobium fixes nitrogen for leguminous plants
D
Trichoderma help in absorption of phosphorus from the soil.

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Verified by Experts
The correct answer is:
D

Trichoderma is a free-living fungus in root ecosystems, but it is used as a biocontrol agent against pathogens. It is not involved in phosphorus absorption (that's the role of mycorrhizal fungi like Glomus).

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