A) ethylene
B) cytokinin
C) gibberellic acid
D) abscisic acid
Correct Answer: A
Solution :
Ethylene is the only gaseous hormone. Main roles of ethylene are as follows It helps in ripening of fruits like mango, banana, etc. Due to this property, it is popularly known as ripening hormone. It accelerates apical dominance, senescence of leaves and flowers. It inhibits geotropism, flowering, etc.
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