A-LevelBiologyTransport in plantsFeb/Mar 2022Paper 1 Q281 Mark
Which changes to the water potential and the volume of solution in a phloem sieve tube occur when amino acids are moved into a sink from the phloem sieve tube? [Figure 28.1]
Ahigher decreases
Bhigher increases
Clower decreases
Dlower increases
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of transport in plants within the Biologysyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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