Plant Growth and Development Question 55

55. Apical dominance is caused by

(a) abscisic acid in lateral bud

(b) cytokinin in leaf tip

(c) gibberellin in lateral buds

(d) auxin in shoot tip

Show Answer

Answer : d

Hints & Solutions

(d) Apical dominance is the phenomenon by which presence of apical bud does not allow lateral buds to grow. Apical dominance is due to auxin. When shoot tip is cut; then lateral buds start growing.



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