$A$ non-infectious,fatal disease caused by the uncontrolled growth of specific body tissues is:

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

The nucleus of cancerous cells becomes

What is the cancer arising from tissues derived from the mesoderm called?

In human beings,retroviruses are considered a cause of cancer because:

Which of the following statements are correct?
$A.$ Computed tomography and magnetic resonance imaging detect cancers of internal organs.
$B.$ Chemotherapeutic drugs are used to kill non-cancerous cells.
$C.$ $\alpha$-interferon activates the cancer patients' immune system and helps in destroying the tumour.
$D.$ Chemotherapeutic drugs are biological response modifiers.
$E.$ In the case of leukaemia,blood cell counts are decreased.
Choose the correct answer from the options given below: