Concept:The diagram shows a taproot system with root nodules, typical of leguminous crops.Explanation:A taproot system has one main root that grows downward, with smaller lateral roots.Plants like soya bean and other legumes have this root system.Soya bean roots also form nodules that help in nitrogen fixation.Rice and oil palm have fibrous root systems, not taproots.Therefore, among the given options, soya bean is the correct example.Answer:D. Soya bean
