Question

How may mitotic divisions must occur in a cell of root tip to form 256 cells
A) 256
B) 8
C) 128
D) 64

Answer 1

B) 8 times is correct

In mitotic division ONE cell divide into TWO cell
1-->2-->4-->8-->16-->32-->64-->128-->256
...................OR..
2( power N ) = 256
N = number of mitotic division
on solving N = 8

Answer 2

the correct answer is (A)