TEST YOURSELF on a few sample questions from the game :   1)   Which prophet was sent to the tribe of Ad [11:50] ?   2)   What does 'the parable of a smooth rock with earth upon it then a heavy rain falls upon it, leaving it bear' [2:264] describe ?   3)   What is this drink: 'There comes forth from within it a beverage of many colors, in which there is healing for men' [16:69] ?