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प्रश्न
Which of the following is a free-floating aquatic fern?
विकल्प
Anabaena
Azotobacter
Azolla
Azospirillum
MCQ
उत्तर
Azolla
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Microbes as Biofertilizers
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Which of the following is a free-floating aquatic fern?
Anabaena
Azotobacter
Azolla
Azospirillum
Azolla