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Bio Biology

BiologyNEB 2075 (old course)

Name the hormone responsible for the ripening of fruits.

1

Answer

· Based on the official syllabus and past papers
Updated

The hormone responsible for the ripening of fruits is ethylene. It is a gaseous plant hormone that plays a crucial role in fruit ripening by regulating various physiological processes. Ethylene promotes the breakdown of cell walls, leading to softening of the fruit. It also stimulates the synthesis of pigments like carotenoids, which contribute to color changes, and enhances the production of volatile compounds responsible for the characteristic aroma of ripe fruits. Additionally, ethylene triggers the activation of enzymes such as cellulase and pectinase, which further facilitate the ripening process. It is naturally produced in higher quantities as fruits mature, making it the primary hormone associated with fruit ripening.

EtheneEthene
Structure of Ethene

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