Subtopic: Functional requirements, principles of working, construction and operation of manual, animal, tractor and renewable energy operated equipment for tillage, sowing, planting, fertilizer application, inter-cultivation, spraying, mowing, chaff cutting, harvesting and threshing
Question Statement:
In seed drills, the 'seed drop tube' should ideally be made of:
Options:
(A) Flexible corrugated plastic or wire-coiled rubber without sharp internal kinks