| I. | Cyanobacteria | Biopesticides |
| II. | Mycorrhiza | Solubilization of phosphate |
| III. | Bacillus thuringeinsis | Cry protein |
| IV. | Single cell protein | Rhizobia |
A) I and II
B) II and III
C) III and IV
D) I and III
Correct Answer: B
Solution :
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