Question

question 4
plant hormones are chemical regulators that stimulate or inhibit growth depending on their concentration and the type of tissue in which they are found. based on the information in the graph, which is a correct conclusion about plant hormones?

o a they stimulate maximum root growth and stem growth at the same concentration
o b they most strongly inhibit root growth at low concentrations.
o c they stimulate maximum root and stem growth at different concentrations
o d they stimulate maximum stem growth at low concentrations.

Explanation:

The graph shows root growth peaks at low hormone concentration and stem growth peaks at higher concentration, indicating different optimal concentrations.

Answer:

c. They stimulate maximum root and stem growth at different concentrations.