Question

Select the correct statement$(s)$ regarding auxins.

• A. Auxins promote root growth only at extremely low concentrations and they inhibit root growth at higher concentrations
• B. Concentration of auxins which is inhibitory to root growth causes initiation of adventitious roots from the nodes or basal regions of stem
• C. Auxins such as $NAA$ and $IBA$ are used to induce rooting in stem cuttings
• D. All of these

Answer 1

Answer: (D)

Correct answer is (d) All of these