February/March 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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23Plant Responses Growth RegulatorsMedium1 mark
A plant shoot was placed on its side in the dark.
Shoot lying on its side, with the upper side and lower side labelled
Which row shows the expected changes as the shoot grows in these conditions?
side showing increased concentration of auxinside showing increased cell elongation
Aupperlower
Bupperupper
Clowerlower
Dlowerupper