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Standard XII
Biology
What Are Biofertilizers
They help in ...
Question
They help in increasing soil fertility.
A
Pseudomonas and cereals
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B
Bacillus and Penicillium
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C
Salvinia and Marsilea
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D
Nostoc and legumes
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Solution
The correct option is
B
Nostoc and legumes
Nostoc and legumes help in increasing soil fertility by nitrogen fixation in the soil.
Correct answer-D
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