STANDARDBotany-Microbes in Human Welfare
STANDARD Botany Biofertilizers MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Azolla enriches rice fields with nitrogen due to its association with
A
Anabaena
B
Nostoc
C
Rhizobium
D
Frankia
Correct Answer
Option A
Detailed Explanation
Anabaena Azollae maintains a mutually beneficial symbiotic relationship with the water fern Azolla which provides the cyanobacteria with a sage environment in exchange for nitrogen.
Found an issue with this question?