Q. Which one of the following is not a property of cancerous cells whereas the remaining three are :
(a) They divide in an uncontrolled manner
(b) They show contact inhibition
(c) They compete with normal cells for vital nutrients
(d) They do not remain confined to the area of formation
Solution : Correct option : B Some key features of cancer cells are: *They divide uncontrollably *They compete with normal cells *They undergo the process of metastasis and form new tumors at new places *They have no contact inhibition Therefore, contact inhibition is not a property of a cancer cell.