Carcinogenic agent is

$A$ tumor that is surrounded by connective tissue and remains confined to a single location is called:

$A$ cancer patient is given $.........$ as biological response modifiers.

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

Assertion : Cancer cells are virtually immortal until the body in which they reside dies.
Reason : Cancer is caused by damage to genes regulating the cell division cycle.

What is the diagnostic test called in which cells are collected from the uterus or cervix to check for cancer?