When she sampled a spoonful of hot soup, bekha burnt the tip of her tongue. during the 24 hours that followed the injury, bekha had difficulty detecting foods that tasted sour. meaty. cold. sweet?

Answer: sweet

The taste buds for "sweet" are located on the tip of the tongue; so if bekha burnt the tip of her tongue when she sampled a spoonful of hot soup, during the 24 hours that followed the injury, bekha would have difficulty detecting foods that tasted sweet.