Agrocin-84 is a bacteriocin—a substance produced by one strain of bacteria to inhibit others. It is produced by Agrobacterium radiobacter and is used biologically to control Agrobacterium tumefaciens, the pathogen causing crown gall disease in plants.
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120 Mins English English100 Questions100 Marks120 Mins English English60 Questions60 Marks45 Mins EnglishFor restoration of highly degraded areas, plantation of which is recommended?
The equation to estimate soil loss by wind erosion is , in which K stands for
| Set A |
Set B |
| [i] Robinson |
[a] Pipette method |
| [ii] Yoder |
[b] Wet sieving |
| [iii] Munsell |
[c] Colour chart |
| [iv] Atterberg |
[d] Consistency limits |
| Set A (Scientist) |
Set B (Contribution) |
| [i] Thomas Way |
[a] Borax |
| [ii] Thomas Graham |
[b] Ammonium molybdate |
| [iii] Sorenson |
[c] Copper sulphate |
| [iv] Schofield |
[d] Zinc sulphate |
Which one of the following is the active factor of soil formation?
The process of enrichment of surface water bodies with nutrients is called
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