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Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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12 questions

SA-OB-TR-0011 markL1 FoundationCalculatorTranspiration
Transpiration is the loss of
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Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0021 markL1 FoundationCalculatorFactors and potometers
Which condition increases transpiration?
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Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0121 markL1 FoundationCalculatorTranspiration
Water vapour leaves the leaf through
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Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0031 markL2 StandardCalculatorFactors and potometers
Wind increases transpiration because it
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Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0041 markL2 StandardCalculatorTranspiration
Water moves up the xylem as a continuous column because water molecules
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Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0052 marksL2 StandardCalculatorFactors and potometers
A potometer bubble moves 4545 mm in 55 minutes. Calculate the rate in mm per minute.

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Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0061 markL2 StandardCalculatorFactors and potometers
Transpiration is slower in darkness mainly because
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Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0071 markL2 StandardCalculatorTranslocation
Translocation is the movement of
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Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0081 markL2 StandardCalculatorTranslocation
In spring, a potato tuber acts as a
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Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0091 markL2 StandardCalculatorTranspiration
A plant wilts when
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Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0103 marksL3 ExamCalculatorFactors and potometers
A potometer capillary tube has radius 0.50.5 mm. A bubble moves 4040 mm in 1010 minutes. Calculate the volume of water taken up per minute in mm3\text{mm}^3. Use π=3.14\pi=3.14.

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Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0111 markL3 ExamCalculatorFactors and potometers
A potometer measures water uptake rather than water loss because
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Salam Academy Original Practice · Proposed mark scheme