Which one of the following pairs is not correctly matched? (1) Hevea Tree - Barazil (2) Sumatra - Malaysia (3) Kajan River - Borneo (4) Dekke Toba fish - Brazil
(4) Dekke Toba fish - Brazil Explanation: Dekke Toba is an Indonesian fish found in the Lake Toba which is a volcanic lake in the middle of the northern part of the Sumatra island. It is the largest lake in Indonesia and the largest volcanic lake in the world.