Answer with true or false and correct the false one(s). 1. Saliva is produced by small intestine. 2. The gastric juice is responsible of liquefaction of meat. 3. Iodine water give a yellow color without starch. 4. The plant synthesis organic matter in the roots. 5. The crude sap and elaborated sap pass through conducting vessels. 6. Crude sap is a solution rich with starch and mineralp salts..​