The substances which have proved very effective to induce rooting from the cut end of the stem are:

  • A
    Phenyl acetic acid
  • B
    $\alpha$-naphthalene acetic acid
  • C
    Indole acetic acid
  • D
    Indole butyric acid

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Similar Questions

Which of the following movements in plants is not related to a change in auxin level?

Label the diagram.
$(A)$ This is which part of a dicotyledonous plant?
$(B)$ If we remove part $1$ from the plant,what will happen?

The Avena curvature test is used for the bioassay of

Give scientific reasons: Plants bend toward the source of light.

$A$: If a plant is kept horizontally,auxin accumulates on the lower surface.
$R$: Displacement of statoliths and other cell organelles to the lower surface modifies the translocation pattern of auxin.

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