Zadanie 5b
Outline how a rise in transpiration rate affects leaf-cell water potential.
Water potential changes in plant tissues
Explain osmotic responses using changing solute and pressure contributions to cellular water potential.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2023–2026.
Zadania sprawdzające tę umiejętność: 6 Otwórz w wyszukiwarce z filtrami
Zadanie 10
Membranes support water balance, electrical signalling and energy conversion. (a) Outline what happens to cells in a piece of plant tissue transferred to a hypotonic solution. (b) Describe the establishment and maintenance of a resting membrane potential in a…
Zadanie 19
Flaccid celery cells are transferred to a dilute solution whose solute concentration is lower than that of the cell contents. Their walls remain intact. Which initial response is expected? A. Water leaves and pressure potential rises B. Water enters and…
Zadanie 20
A plant cell equilibrates first in solution P and then in a more concentrated solution Q. Its appearances are shown. How do its water potential and pressure potential change from P to Q? A. Water potential rises; pressure potential rises B. Water potential…
- Materiał graficzny
Zadanie 1c
Explain how immersion in the solution containing no sucrose affects the tissue’s water potential.
- Materiał graficzny
Zadanie 31
A plant grows in saline soil. Which adaptation could help maintain water uptake while limiting salt damage to cytoplasmic enzymes? A. Transporting absorbed ions into vacuoles, lowering cellular solute potential while keeping cytoplasmic ion levels controlled…