Question

Ethylene is a ............

• A. Gaseous hormone
• B. Largest hormone
• C. Liquid-gas mixture
• D. Solid hormone

Answer 1

The correct option is A Gaseous hormone

Ethylene is a gas that forms through the breakdown of methionine, which is in all cells. Ethylene has very limited solubility in water and does not accumulate within the cell but diffuses out of the cell and escapes out of the plant. Its effectiveness as a plant hormone is dependent on its rate of production versus its rate of escaping into the atmosphere. Ethylene is produced at a faster rate in rapidly growing and dividing cells, especially in darkness.