there's supposed to be graph Table 1Temperature(in °C)Rate of water uptake(in mm³) averaged over ten minutes100.150.4201.0252.1303.2354.0404.4a)Plot the data from Table 1 in a suitable form.b)Explain how the temperature affects the rate of water uptake by theshoot based on your plot.Explain what would happen to the leaves if they were left for a longertime at 40°C?c) Figure 6 below shows a simple potometer, which is a piece of apparatus thatcan be used to measure water uptake (transpiration) by a leafy shoot.Figure 6Leafy shootCapillary tubewith a scaleRubber bungWater levelTubing filled with water-Clamp standStudents carried out an investigation using a potometer, similar to the oneshown in Figure 6. They used this apparatus to measure the volume of wateruptake by a shoot at different temperatures over a ten minute period.Students first measured the water absorbed by a shoot by observing themovement of the water in the capillary tube at 25°C. The level of water in thecapillary tube decreased as water was absorbed by the shoot. After tenminutes students wrote down the level of water in the capillary tube. Theexperiment was repeated over a range of different temperatures, and thelevel of water in the capillary tube was noted at each temperature. Severalreplicates were carried out and the average rate of water uptake wascalculated. All other environmental factors were kept as constant as possible.The results are shown in Table 1 on the following page.1

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Table 1 Temperature (in °C) 10 15 Rate of water uptake (in mm³) averaged over ten minutes 20 25 0.4 1.0 2.1 30 35 3.2 4.0 4.4 40 a) Plot the data from Table 1 in a suitable form. b) Explain how the temperature affects the rate of water uptake by the shoot based on your plot. Explain what would happen to the leaves if they were left for a longer time at 40°C? c)

Table 1 Temperature (in °C) 10 15 Rate of water uptake (in mm³) averaged over ten minutes 20 25 0.4 1.0 2.1 30 35 3.2 4.0 4.4 40 a) Plot the data from Table 1 in a suitable form. b) Explain how the temperature affects the rate of water uptake by the shoot based on your plot. Explain what would happen to the leaves if they were left for a longer time at 40°C? c)

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter28: Plant Nutrition And Transport

Section: Chapter Questions

Problem 14SQ

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