A farmer notices that storing ripe mangoes with unripe ones speeds up the ripening process. The phytohormone primarily responsible for this phenomenon is:

ICSE Class 10 Biology PYQ · 2026 Specimen · Section A

1(ii)1 Mark · 2026 · Section A · 2026 Specimen

A farmer notices that storing ripe mangoes with unripe ones speeds up the ripening process. The phytohormone primarily responsible for this phenomenon is:

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Ethylene

Reason — Ethylene is a gaseous plant hormone that promotes the ripening of fruits. Ripe mangoes release ethylene, which speeds up ripening in nearby unripe mangoes.

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