Botany · Transport in plant
NEET (UG) 2023 — Question 155
Given below are two statements : one is labelled as Statement I and the other is labelled as Statement II :
Statement I : The forces generated transpiration can lift a xylem-sized column of water over 130 meters height.
Statement II : Transpiration cools leaf surfaces sometimes 10 to 15 degrees evaporative cooling.
In the light of the above statements, choose the most appropriate answer from the options given below :
- Option A:
Both Statement I and Statement II are incorrect
- Option B:
Statement I is correct but Statement II is incorrect
- Option C:
Statement I is incorrect but Statement II is correct
- Option D:Correct
Both Statement I and Statement II are correct
Answer: D
Step-by-step solution
Statement I is correct as measurements reveal that the forces generated by transpiration can
create pressures sufficient to lift a xylem sized column of water up to 130 meters high.
Statement II is also correct as transpiration cools leaf surfaces, sometimes 10 to 15 degrees, by
evaporative cooling.
Answer key and solution verified before publishing.
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- Exam
- NEET (UG) 2023
- Paper
- 2023 paper
- Subject
- Botany
- Chapter
- Transport in plant
- Topic
- Plant water relations