Bimodal distribution is seen in ?
Thyroid carcinoma
Hodgkins lymphoma
Renal carcinoma
Liver carcinoma
Ans. is 'b' i.e., Hodgkins lymphoma One impoant phenomenon in age distribution is bimodality, i.e. some disease show two peaks in different age groups. Diseases showing bimodality are Hodgkin's disease, leukaemia, and female breast cancer.