Fruits stored in a cold chamber exhibit longer storage life because

exposure to sunlight is prevented

concentration of carbon dioxide in the environment is increased

rate of respiration is decreased

there is an increase in humidity

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This question was previously asked in

UPSC IAS – 2013

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Fruits stored in a cold chamber exhibit longer storage life because the low temperature significantly reduces the rate of respiration in the fruits.

Respiration is a metabolic process in fruits that consumes stored sugars and leads to ripening and senescence. By lowering the temperature, this process is slowed down, thereby extending the time before the fruit spoils.

Other factors like preventing sunlight exposure and managing humidity are also important for fruit storage, but reducing the respiration rate through low temperature is the primary mechanism by which cold storage extends shelf life. Controlled atmosphere storage (modifying CO2 and Oxygen levels) is another technique used to further extend storage life by also impacting respiration and other metabolic processes.

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