A. The tumor of haematopoietic cells is called leukemia.
B. Cancer arising from the epithelial tissues of internal organs and glands is referred as melanoma.
C. Sarcoma is a type of cancer, where bone and cartilages are involved.
D. Only benign tumors are called as true cancer or neoplasm.
(i) The tumour of haematopoietic cells is called Leukaemia
(ii) Cancer arising from the epithelial tissues of internal organs and glands is referred as melanoma.
(iii) Sarcoma is a type of cancer where bone and cartilages are involved.