Practice question
Question
Darwin studied coleoptile bending in seedlings of:
Explanation
Oat (C) is correct here. This is core Auxin Phytohormone: once you know the definition or pathway step, Oat is the clear fit. The wrong ones are A) Wheat; B) Rice; D) Maize. If the topic is about gradients or potentials, water/solutes move from higher to lower of the relevant quantity.