Which one of the following non-infectious diseases is the major cause of death in humans?

Which of the following is $NOT$ included in sarcoma?

Cancer cells are more easily damaged by radiation than normal cells because they have:

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 nucleus of cancerous cells becomes

Which radiations cause damage to $DNA$ and lead to neoplastic transformation?