<prompt> In dating of bones, which of the following is falseIn 50 - 100 years, the nitrogen content is more than 3.5 gFresh bone shows 15 aminoacidsBlood pigments persist upto 100 yearsPrecipitin tests are negative after 5 years  <response>: Dating of bones: - Fresh bone - 4 to 5 g nitrogen content, In 50 - 100 years, the nitrogen content is more than 3.5 g - Fresh bone shows 15 aminoacids, more than 100 years - 7 aminoacids - Blood pigments persist upto 100 years - Precipitin tests are negative after 10 years 