The roots of which of the following plants are home to a variety of Nitrogen fixation bacteria?
1. Lentils
2. Groundnut
3. Sugarcane
Select the correct option from the codes given below:

Answer: [A] Only 1 & 2

The notable point in this question is that while some sugarcane varieties are known to be capable of fixing atmospheric nitrogen in association with a bacterium called Glucoacetobacter diazotrophicus; in contrary to legumes and other nitrogen fixing plants which form root nodules in the  soil in association with bacteria, G. diazotrophicus lives within the intercellular spaces of the sugarcane’s stem.

This question is a part of GKToday's Integrated IAS General Studies Module