Table 1. Effect of Ultra Violet Radiation on Survival Rate and Death at Different Time Intervals.
No. of Colonies/Plate | Percentage of Survival Rate | Percentage of Death | |
---|---|---|---|
Control | 340 | 100 | 0 |
UV30 | 280 | 82.35 | 17.6 |
UV60 | 232 | 68.2 | 31.7 |
UV90 | 210 | 61.7 | 38.2 |
UV120 | 150 | 44.1 | 55.9 |