Question
Biology Question on plant growth and development
Apical dominance in higher plants is due to
A
more of auxins
B
enzyme activity
C
carbohydrates and nitrogen ratio
D
photoperiodism.
Answer
more of auxins
Explanation
Solution
The apical bud always suppresses the growth of axillary buds present beneath it. This superiority of apical bud is called' apical dominance. It is due to the presence of relatively higher quantities of plant hormones like auxin. near the stem apex.