NEET Biology question
Match Column I (biofertiliser organism) with Column II (its specific role).
| Column I | Column II | |---|---| | (A) Rhizobium | (1) Free-living nitrogen fixation in soil | | (B) Azotobacter | (2) Nitrogen fixation in paddy fields | | (C) Glomus | (3) Symbiotic nitrogen fixation in legume root nodules | | (D) Anabaena | (4) Enhanced phosphorus absorption |
Answer: (A)
Solution
Rhizobium fixes nitrogen symbiotically in legume root nodules (A-3), Azotobacter is a free-living nitrogen fixer (B-1), Glomus enhances phosphorus
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