Consider the following organisms 1. Agaricus 2. Nostoc 3. Spirogyra Which of the above is/ are used as biofertiliser/biofertilisers?



[ A ]    1 and 2
[ B ]    Only 2
[ C ]    2 and 3 right
[ D ]    Only 3
Answer : Option C
Explanation :
General Science MCQ Questions and Answers for competitive exams

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