Most upper respiratory infections are viral and recovery time can be as long as 2-3 weeks. Signs of bacterial infection would include high fever, exudates in the back of the throat, throat swelling, etc.
Little bumps on the tongue are completely normal. These are known as fungiform papillae which contain taste buds. On the back of the tongue are a row of circumvallate papillae which also contain taste buds. You can do a websearch for pictures of these papillae to put yourself at ease.
It is hard to assess the needs of your ear sore without a proper examination. Signs that you should be concerned include excessive pain, no signs of healing, constantly bleeding or discharge, etc. Either way you should have your ear evaluated by your primary care physician or an Otolaryngologist (ENT).
