6037. The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). September 7, 2025 by Admin 24000 24 0.24 0.44 ✅ The correct answer is option D.