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Transport in plants qp_igcse cie biology_.pdf

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Transport in plants Question Paper Level IGCSE Subject Biology Exam Board Cambridge International Examinations Unit 8–Transport in plants Booklet Question Paper Time Allowed: 47 minutes Scor... e: /39 Percentage: /1001 Which graph shows most clearly what will happen to the rate of transpiration as humidity increases? humidity A rate of transpiration rate of transpiration rate of transpiration rate of transpiration humidity B humidity C humidity D 2 The diagram shows a potted plant and the same plant 24 hours later. 24 hours What causes the change in the appearance of the plant? A Water loss is greater than water uptake. B Water moves from the leaves to the stem. C Water uptake is equal to water loss. D Water uptake is greater than water loss. Save My Exams! – The Home of Revision For more awesome GCSE and A level resources, visit us at www.savemyexams.co.uk/3 By which process is water lost from a leaf? An active transport B diffusion C osmosis D photosynthesis 4 The lower end of a plant stem is placed in water coloured with red dye. After three hours, the stem is cut as shown in the diagram. Which labelled region is stained red? D A B C 5 What is transported in the phloem and what is the direction of transport? A starch, up and down B starch, up only C sucrose, down and up D sucrose, down only [Show More]

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