Identify zones I, II and III in the given diagrammatic representation of a biosphere reserve and select the incorrect statements regarding them.
(i) Tourists can visit zones I and II but are not allowed in the zone III.
(ii) Activities like settlements, cropping, recreation and forestry are allowed in zone I only.
(iii) Human activities like research and environmental education are allowed in all zones I, II and III.
(iv) The area of zone II is undisturbed and legally protected