Concept:A plough cuts and loosens the soil through its pointed blade called the plough share.Explanation:The plough share is the sharp metal part that enters the soil and cuts it.The wheel supports the plough while moving.The handle is used to steer the plough.The mouldboard turns over the soil after it has been cut.Thus, the part labelled II, which performs the cutting action, is the plough share.Answer:B. plough share
