Neoplasm originates in different types of cancers and spreads as masses of cells into other healthy tissues,which is untrue for . . . . . . .

Which is the most feared property of a malignant tumor?

Alteration of which genes leads to cancer?

Define the following terms: Carcinogens and Tumour.

Study the following sentences.
$I.$ The cells of malignant tumours divide erratically.
$II.$ They are malignant tumours of epithelial cells.
$III.$ They are malignant tumours of organs that originate from mesoderm.
$IV.$ These tumours are found in organs such as spleen and lymph nodes.
Which of the above are true for angiosarcoma?

The genetic material $DNA$ of a cell is sensitive to which of the following radiations?