<prompt> Leucocyte alkaline phosphatase LAP is raised in AE-MyelofibrosisEssential thrombocythemiaPolycythemiaChronic myeloid leukemia  <response>: Ans. is d i.e., Chronic myeloid leukemiao Low LAP score is seen in : -i CMLii Paroxysmal nocturnal hemoglobinuriaiii Hematological neoplasma rareiv Myelodysplastic syndromev Rare infections or toxic exposureo Myelofibrosis, polycythemia vera and essential thrombocytosis thrombocythemia are myeloproliferative disorders in which LAP score is increased. 