What kind of manners clothing foods and daily practices or activities of living in a castle would you have seen in Medieval Times when Queen Elizabeth 1 was alive?

Answer 1

To start with, Elizabeth I was not a Medieval monarch. Her grandfather, Henry Tudor, on assuming the crown upon the death of Richard III in battle, ended the Middle Ages in England. The Elizabethan Age is very much a part of the Renaissance. As to the rest, entire books have been written on the subject. It is to vast to be contained in a brief answer, here.

Answer 2

It may be hard to believe but people then (in Europe) didn't bathe but once or twice a year and often wore the same clothes without washing them. This also included nobles and the monarchs.