alleryWhich hormone is gaseous and promotes **fruit ripening**?
AAuxin
BCytokinin
CEthylene (the 'ripening hormone')
DABA
Answer & Solution
Correct answer: C. Ethylene (the 'ripening hormone')
Ethylene (C₂H₄) — only gaseous plant hormone.
Triggers fruit ripening (especially climacteric fruits like banana, mango, tomato), leaf abscission, flower senescence.
Commercial banana ripening uses ethephon (releases ethylene).
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