Question
Ethylene is a
gaseous hormone
gaseous enzyme
liquid-gas mixture
solid hormone
Solution
A.
gaseous hormone
Ethylene is thought of as the aging hormone in plants. In addition to causing fruit to ripen, it can cause plants to die. It can be produced when plants are injured, either mechanically or by disease. Ethylene gas is used commercially to ripen tomatoes, bananas, pears, and a few other fruits postharvest
