Question

Following table summarizes the difference between normal cells and cancerous cells. Pick up the wrong difference (s) and select the correct option.

	Normal cells	Cancerous cells
(i)	These cells undergo cell division as well as differentiation	These cells undergo cell division but do not undergo differentiation
(ii)	These cells show contact inhibition i.e. after coming in contact with other cells, these inhibit their uncontrolled growth	These cells have lost the property of contact inhibition.
(iii)	Life span of these cells is not definite	Life span of these cells is also not definite
(iv)	These cells divide in controlled manner	These cells divide in an uncontrolled manner.

• A. (i) and (iii)
• B. (iii) only
• C. (ii) and (iv)
• D. (ii) only

Answer 1

Answer: (B)

(iii) only