<prompt> Hair on end appearance is seen in-Dermoid cystThalassemiaKwashiorkarTinea capitis  <response>: Ans. is b i.e., Thallasemia o Marked vertical striations in a patient with thalassemia give the appearance of hair standing on end so called hair on end sign usually seen in Thalassemia majorKwashiorkoro Triad ofPsychomotor changeEdema PEGGrowth retardantHair changes - Changes include dyspigmentation, loss of characteristic curls and sparseness over taple.Flag sign - Alternate band of hypopigmented and normally pigmented hair pattern. 