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Biology
Select the correct statement(s) regarding auxins.
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Q. Select the correct statement$(s)$ regarding auxins.
Plant Growth and Development
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
Solution:
Correct answer is (d) All of these