Refer to the figure below.Each photograph shows a dwarf plant with a hormonal deficiency and a normal-sized plant of the same species. Differential action of which two hormones might explain the differing plant sizes in the images?

Question

Refer to the figure below.Each photograph shows a dwarf plant with a hormonal deficiency and a normal-sized plant of the same species.  Differential action of which two hormones might explain the differing plant sizes in the images?

Quizplus · Accepted Answer

The pictures show stunted growth in the dwarf plants, which suggests a deficiency in a growth-promoting hormone. Both auxin and gibberellins are involved in promoting stem elongation and overall plant growth, so a differential action of these two hormones might explain the differing plant sizes in the images.

Refer to the Figure Below