Same chapter3 marksDifficulty: Medium
What is guttation, and how does it differ from transpiration?
Transpiration
3 marksDifficulty: Medium
State four factors that affect the rate of transpiration and the effect of each.
Original Khojo Papers practice question — not from a past board paper.
Answer
A higher temperature increases the rate, because evaporation is faster. Higher humidity decreases it, because the air outside is already near saturation. Wind increases it, because moist air is carried away from the leaf surface. Bright light increases it, because it opens the stomata.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The available soil water sets an upper limit on all of these.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
Describe an experiment to show that transpiration takes place mainly through the stomata on the lower surface of a leaf.
Transpiration
Same chapter3 marksDifficulty: Medium
State the significance of transpiration to a plant.
Transpiration
Same chapter3 marksDifficulty: Medium
Explain the mechanism by which a stoma opens.
Transpiration
Same chapter3 marksDifficulty: Medium
Why does a freshly transplanted sapling wilt, and how can this be prevented?
Transpiration
Same chapter3 marksDifficulty: Medium
What is the transpiration pull, and how does it lift water in a tall tree?
Transpiration