-Which of the following statements is supported by this figure?
A)The greater the concentration of auxin, the more promotion of root elongation occurs.
B)Auxin concentrations below 10⁻⁸ g/L promote both root and stem elongation.
C)Auxin concentrations around 10⁻⁴ g/L promote stem elongation but inhibit root elongation.
D)Auxin concentrations above 0.9 g/L are best for promoting stem elongation.

Question

-Which of the following statements is supported by this figure?
A)The greater the concentration of auxin, the more promotion of root elongation occurs. 
B)Auxin concentrations below 10⁻⁸ g/L promote both root and stem elongation. 
C)Auxin concentrations around 10⁻⁴ g/L promote stem elongation but inhibit root elongation. 
D)Auxin concentrations above 0.9 g/L are best for promoting stem elongation.

Quizplus · Accepted Answer

Auxin concentrations around 10⁻⁴ g/L are known to promote stem elongation while inhibiting root elongation, as high auxin levels can have inhibitory effects on root growth.

-Which of the Following Statements Is Supported by This Figure