When an unripe banana is sealed in a polythene bag, it reamins green for many days. But if an apple is also sealed in the same bag. The banana ripens and turns yellow within a few days. The reason is that apple

Options

A. removes `CO_(2)`, which inhibits fruit ripening
B. removes `CO_(2)` released from green bananas
C. produces `CO_(2)`, which activates fruit ripening
D. produces ethylene, which induces fruit ripening

Answer

D