1.

If a rotten fruit gets mixed with unripe fruits, the unripe fruits willA. also be rottenB. ripe quicklyC. remain unchangedD. none of these

Answer» Correct Answer - B
Ethylene production by plants is autocatalytic,i.e. a small amount of ethylene will stimulate production of its larger amounts. Thus, a few ripe fruits will initiare ripening of nearby fruits. It is, therefore, a common practice to keep few ripe bananas with unripe bananas to hasten ripening.


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