- [Medium]A cell has solute potential Ψs = -0.7 MPa and pressure potential Ψp = 0.3 MPa. What is its water potential Ψw? (MPa)...
- [Hard]A short-day plant will flower when the night length is:...
- [Medium]Indole-3-acetic acid (IAA) predominantly promotes which process?...
- [Medium]A plant transpires 27 mL of water over 6 hours through 3 leaves equally. What is the average transpiration per leaf per hour? (mL h^-1)...
- [Easy]Which factor most immediately reduces transpiration rate on a leaf surface?...
- [Hard]Photorespiration predominantly occurs in which plant type under high oxygen?...
- [Easy]Which element is a component of chlorophyll and thus essential for photosynthesis?...
- [Medium]Nitrate is reduced to nitrite in plants by which enzyme?...
- [Hard]Active phloem loading of sucrose into sieve elements raises osmotic pressure causing:...
- [Easy]Respiratory quotient (RQ) for complete oxidation of glucose is:...
- [Medium]The cohesion-tension theory explains ascent of sap primarily due to:...
- [Easy]Which pigment primarily absorbs blue and red light driving photosynthesis in higher plants?...