In parthenocarpic fruits,the enlargement of the ovary into a fruit is brought about by the auxin . . . . . . .

Select the correct option for the given figure.

$A$: 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.

Which one of the following plant functions is not generally governed or controlled by auxin?

Which of the following is responsible for apical dominance?

Which of the following movements is not related to changes in auxin levels?