alleryWhat can a plant do overnight to help refill cavitated xylem?
AStop root water uptake
BRemove guard cells
CClose stomata overnight
DOpen stomata widely
Answer & Solution
Correct answer: C. Close stomata overnight
Overnight stomatal closure halts transpiration and allows root pressure to help refill xylem.
Keep practising Plant Physiology: transpiration
Browse all Plant Physiology: transpiration questions for ICSE Class 10, or explore more Biology topics.
Related questions
Match each physiological water loss term with its distinct botanical definition:Match each environmental factor with its effect on transpiration rate:Match each mechanism of stomatal regulation with its physiological trigger:Match each pathway of plant transpiration with the organ through which water vapor is lostWhy do open stomata cause gas gain and water loss?Which structural adaptation helps desert plants reduce water loss?How does transpiration affect plant nutrient flow?Where is water vapour inside a leaf before it exits?