Question
Biology Question on Cell Cycle
Quiescent centre is the zone of:
A
least mitotic activity in the root apex
B
least mitotic activity in the shoot apex
C
maximum mitotic activity in the root apex
D
maximum mitotic activity in the shoot apex
Answer
least mitotic activity in the root apex
Explanation
Solution
Quiescent centre is an area at the top of the root apical meristem where the cells have least mitotic activity i.e., the rate of cell division is lower than in surrounding tissue.