1. World Immunization Week is observed every year from ____________ April 24-30 1-7 22-28 25-31 None 2. The number of National Waterways increased from 5 to ___________, with the operational length growing from 2,716 km (2014–15) to 4,894 km (2023–24). 110 111 101 121 None 3. Which National Waterway (NW) is the West Coast Canal, [...]