PractiseQuestion bank
Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.
Sign in to check answers. Your attempts build your mastery and error book.
12 questions
SA-OB-TR-0011 markL1 FoundationCalculatorTranspiration
Transpiration is the loss of
Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0021 markL1 FoundationCalculatorFactors and potometers
Which condition increases transpiration?
Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0121 markL1 FoundationCalculatorTranspiration
Water vapour leaves the leaf through
Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0031 markL2 StandardCalculatorFactors and potometers
Wind increases transpiration because it
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
Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0052 marksL2 StandardCalculatorFactors and potometers
A potometer bubble moves 45 mm in 5 minutes. Calculate the rate in mm per minute. Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0061 markL2 StandardCalculatorFactors and potometers
Transpiration is slower in darkness mainly because
Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0071 markL2 StandardCalculatorTranslocation
Translocation is the movement of
Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0081 markL2 StandardCalculatorTranslocation
In spring, a potato tuber acts as a
Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0091 markL2 StandardCalculatorTranspiration
A plant wilts when
Salam Academy Original Practice · Proposed mark scheme
SA-OB-TR-0103 marksL3 ExamCalculatorFactors and potometers
A potometer capillary tube has radius 0.5 mm. A bubble moves 40 mm in 10 minutes. Calculate the volume of water taken up per minute in mm3. Use π=3.14. 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
Salam Academy Original Practice · Proposed mark scheme