NEET Botany Mineral Nutrition Questions Solved

NEET - 2011

An organism used as a biofertilizer for raising soyabean crop is

(a) Azospirillum

(b) Rhizobium

(c) Nostoc

(d) Azotobacter

(b) Rhizobium leguminosarum is a symbiotic bacteria found in root nodules of legume. This bacterium has nitrogen fixing gene and fixing N2. Soyabean is a legume. Thus, Rhizobium is used as a biofertilizer for raising soyabean crop.

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