CIE iGCSE Co-Ordinated Science B8.3 Transpiration Exam Style Questions Paper 1
Question
In which conditions will the rate of transpiration be greatest?
A 10 C and high humidity
B 10 C and low humidity
C 30 C and high humidity
D 30 C and low humidity
▶️Answer/Explanation
Ans :C
Question
Which changes increase the rate of transpiration?
1 increasing temperature
2 increasing humidity
3 decreasing temperature
4 decreasing humidity
A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4
▶️Answer/Explanation
Ans :A
Question
Where does evaporation of water occur during transpiration?
A from the air spaces through the stomata
B from the phloem
C from the surfaces of mesophyll cells
D from the xylem
▶️Answer/Explanation
Ans :C
Question
The diagram shows a shoot at the start of an experiment investigating transpiration. The mass of the shoot, measuring cylinder, water and oil is measured.
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The apparatus is left for three days and then the mass recorded for a second time.
Under which conditions would there be the most loss of mass from the apparatus?
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▶️Answer/Explanation
Ans : B
