<prompt> Quality of life is defined as-Standard of livingLevel of livingSubjective feeling of well beingAll of the above  <response>: Quality of lifeThe level of living and standard of living are objective criteria of well being, while quality of life comprises the individuals own subjective evaluation of these.Recent definition of quality of life is as follows a composite measure of physical mental and social well being as perceived by each individual or group of individuals.WHO definition is as follows the condition of life resulting from the combination of the effects of the complete range of factors such as those determining health, happiness, education, etc. 