Practice question

Arabidopsis thaliana (C) is correct here. This is core ABC MODEL: once you know the definition or pathway step, Arabidopsis thaliana is the clear fit. The wrong ones are A) Oryza sativa; B) Zea mays; D) Pisum sativum. If the topic is about gradients or potentials, water/solutes move from higher to lower of the relevant quantity.