A which coleoptiles would bend towards the left a 1

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(a)Which coleoptiles would bend towards the left?A.(1) and (3) onlyB.(1) and (4) onlyC.(2) and (3) onlyD.(2) and (4) only
(b)Which of the following statements about coleoptile (5) is correct?
##(a)C, (b)D##Skills assessedMarks(a)Analysing data1(b)Analysing data1|!|BCEMB0160000052|!| How do auxins cause plant shoots to grow towards unilateral light?A.increasing cell division on the illuminated side of the shootB.increasing cell division on the shaded side of the shootC.increasing cell elongation on the illuminated side of the shootD.increasing cell elongation on the shaded side of the shoot##D##Skill assessedMarkApplying concepts1© 2019 Aristo Educational Press Ltd.34
HKDSE BIOLOGY: Connecting ConceptsChapter 16Question bankMultiple-choice questions|!|BCEMC0160000053|!|When a plant shoot bends towards sunlight, what process(s) do/does auxins promote in the cells on the shaded side of the shoot?(1)mitosis(2)cell differentiation(3)cell elongationA.(1) onlyB.(3) onlyC.(1) and (2) onlyD.(1), (2) and (3) only##B##Skill assessedMarkUnderstanding basic concepts1|!|BCEMB0160000054|!| SIThe diagram below shows a set-up to study the effect of light on the growth of oat coleoptiles.Which coleoptile(s) will bend towards the light source?A.Y onlyB.Z onlyC.Y and Z onlyD.W, Y and Z only##C##Skill assessedMarkAnalysing data1© 2019 Aristo Educational Press Ltd.tip removed tip removed and place on an agar block tip removed and then placed on the coleoptile again mica plate inserted in the middle W X Y Z light black box 35
HKDSE BIOLOGY: Connecting ConceptsChapter 16Question bankMultiple-choice questions© 2019 Aristo Educational Press Ltd.36
HKDSE BIOLOGY: Connecting ConceptsChapter 16Question bankMultiple-choice questions|!|BCEMB0160000055|!| SIWhich of the following coleoptile will bend towards one side?##D##Skill assessedMarkAnalysing data1|!|BCEMB0160000056|!| SIThe diagram below shows the set-ups of an experiment and the results after two days.© 2019 Aristo Educational Press Ltd.37

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