The correct answer is option no. (4) as The structure used for griding the food particlesThe structure used for storing of foodRing of 6−8 blind tubules at junction of foregut and midgut which assistsin secretion of digestive juicesRing of 100−150 yellow coloured thin filaments at junction of midgutand hindgut which assists in elimination of nitrogenous wastes−−−−GizzardCropGastric CaecaMalpighian tubules