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Bananas can be prevented from over-ripening by

1. maintaining them at room temperature
2. refrigeration
3. dipping in ascorbic acid solution
4. storing in a freezer

Correct answer: refrigeration

Solution

Refrigeration slows enzymatic activity and respiration in bananas, which delays the ripening process and helps prevent over-ripening. Room temperature speeds ripening, freezing damages texture, and ascorbic acid mainly prevents browning rather than ripening.

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