Concept:The question asks us to identify the crops that are handled or raised through the illustrated farm operation.
Explanation:The farm operation shown in the diagram is suitable for only certain field crops.
Among the options, rice, groundnut and millet are the crops that require this operation.
Therefore, option C is the correct choice.
Options A, B and D include crops such as okro, tomato, pepper, cowpea or maize that do not belong to the group for the illustrated operation.
Answer:Rice, groundnut and millet (Option C).
