The infection thread, crucial for rhizobial entry into the root hair, is primarily composed of which plant cell wall component?

The relationship between Rhizobium bacteria and leguminous plants is an example of:

The product $\left( {\rm{s}} \right)$ of reaction catalyzed by nitrogenase in root nodules of leguminous plants ${\rm{is / are}}$

During the process of root nodule formation, which of the following is the initial signal molecule released by the plant roots that attracts rhizobia?

Which element is converted into a usable form for plants within root nodules?

VAM is

Bacteria and fungi developing on dead decaying organisms are

In root nodules of legumes, leghaemoglobin is important because it

Which one of the following is an amide involved in nitrogen assimilitaion by plants?

The product $\left( {\rm{s}} \right)$ of reaction catalyzed by nitrogenase in root nodules of leguminous plants ${\rm{is / are}}$

The enzyme nitrogenase, found in the root nodules of leguminous plants, facilitates the production of which essential nutrient for plant growth?