STANDARDBotany-Microbes in Human Welfare
STANDARD Botany Biofertilizers MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Biofertilizers include
A
Cow Dung manure and farmyard waste
B
A quick growing crop ploughed back
C
BGA/Anabaena and Azolla
D
All the above
Correct Answer
Option C
Detailed Explanation
Biofertilizers are organisms that enrich the nutrient quality of the soil. The main sources of biofertilizers are bacteria, fungi and cyanobacteria.
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