Low ratio of cytokinin to auxin induces . . . . . . in plants.

Which of the following is $NOT$ an effect of $Auxin$?

Dr. $F$. Went noted that if coleoptile tips were removed and placed on agar for one hour,the agar would produce a bending when placed on one side of freshly-cut coleoptile stumps. Of what significance is this experiment?

If the concentration of $IAA$ is increased in the roots of a plant,the absorption of water would

What is the result of removing the apical bud?

In botanical gardens and tea gardens,gardeners trim the plants regularly so that they remain bushy. Does this practice have any scientific explanation?