Answer:
The correct answer is - a gas emitted by cabbage plants when injured.
Step-by-step explanation:
Methyl jasmonate is a gas that is released or emitted by the leaves of the injured cabbage or when any insects eat it. It is an organic compound used as a defense mechanism by plants such as cabbage.
It is a very volatile organic compound. It is also found in flowers of Jasminum grandiflorum. It plays role in other pathways such as root growth, flowering, and fruit ripening and others.