Question

Which statement describes the relationship between plant hormones and phototropism?
a. Gibberellins cause the leaves to curl up in the presence of light.
b. Auxins cause the stems to bend towards the light source.
c. Cytokinins cause light to be absorbed at a faster rate for photosynthesis.
d. Ethylene causes the plants to bend away from the light source.

Answer 1

Answer: b. Auxin

Explanation: