A) auxin
B) cytokinin
C) ethylene
D) gibberellins
Correct Answer: A
Solution :
Auxin causes apical dominance, i.e., the auxin of terminal bud inhibits the growth of lateral buds. Cytokinin promotes cell division. Ethylene is a gaseous fruits ripening hormone. Gibberellin is responsible for intermodal elongation, reversal of dwarfism, etc.
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