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NEETZoologyMicrobes in Human Welfare

Types of Biofertilisers Function or Association A. Rhizobium 1. Free-living nitrogen fixation in soil B. Azotobacter 2. Nitrogen-fixing cyanobacteria C. Glomus 3. Forms mycorrhiza with plants D. Anabaena 4. Fixes atmospheric nitrogen in legume root nodules

Options

  1. AA-4; B-1; C-3; D-2
  2. BA-1; B-4; C-3; D-2
  3. CA-4; B-3; C-1; D-2
  4. DA-4; B-1; C-2; D-3

Correct answer

A. A-4; B-1; C-3; D-2

Step-by-step solution

Rhizobium fixes atmospheric nitrogen in legume root nodules. Azotobacter is a free-living nitrogen-fixing bacterium in soil. Glomus forms mycorrhizal associations with plants. Anabaena is a nitrogen-fixing cyanobacterium.

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