Question Detail
Question
The 'coleoptile-bending assay' is a quantitative analysis technique used primarily for which hormone?
Correct Answer
Option B is the correct answer.
Detailed Explanation
The coleoptile-bending assay measures the angle of curvature in a decapitated grass seedling to determine the concentration of auxin in an applied gelatin block.
Hint
This test measures 'bending' caused by unequal growth.