1. Plant Biology

Plant Physiology — Quiz

Test your understanding of plant physiology with 5 practice questions.

Practice Questions

Question 1

What term describes the component of water potential arising from adhesion of water molecules to soil particles?

Question 2

If a root has hydraulic conductivity $L_{p}=4\times10^{-7}\,\mathrm{m\,s^{-1}\,MPa^{-1}}$, surface area $A=5\times10^{-4}\,\mathrm{m^{2}}$, and water potential difference $\Delta\psi=0.8\,\mathrm{MPa}$, what is the volumetric flow rate $J_{v}$?

Question 3

Which water transport pathway moves water through the cell walls and intercellular spaces without crossing cell membranes?

Question 4

In C₄ photosynthesis, in which cell type is the four-carbon compound decarboxylated to release CO₂ for the Calvin cycle?

Question 5

Which photosystem in the thylakoid membrane is responsible for water splitting and O₂ evolution?