Gujarat BoardEnglish MediumSTD 7ScienceNutrition in Plants1 Mark
MCQ
Where we can see Rhizobium bacteria?
A
Dead matter.
B
Decaying matter.
✓
Both $a$ and $b.$
D
None of these.
✓
Answer
Correct option: C.
Both $a$ and $b.$
In soil, the Rhizobium live freely and feed on dead and decaying matter. However, they also form symbiotic association with the roots of legumes like pea plant.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.