NEET Botany Plant Growth and Development Questions Solved

Which of the following is not an action of ethylene?

1. Induces leaf abscission

2. Inhibits root hair growth - decreasing the efficiency of water and mineral absorption

3. Induces the growth of adventitious roots during flooding

4. Stimulates epinasty - leaf petiole grows out, leaf hangs down and curls into itself

Audio Explanation:

Enhanced root hair production, which increases the root surface area for nurient uptake, is a typical adaptive response of plants to photosphate (pi) starvation.

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