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Plant Growth and Development
Question
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Ethylene is a

  • gaseous hormone

  • gaseous enzyme

  • liquid-gas mixture

  • solid hormone

Answer

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

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