CBSE Class 7 Science Question 11 of 12

Life Processes in Plants — Question 11

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11
Question
Design an experiment to observe if water transportation in plants is quicker in warm or cold conditions.
Answer

To test whether water transportation in plants is quicker in warm or cold conditions, take two identical potted plants. Place one plant in a warm location (near a heater or sunny spot) and the other plant in a cool place (like in the shade). Add a few drops of food colouring to the water and water both plants. After a few hours, observe the movement of the coloured water up the stem and into the leaves. The plant in the warm conditions will show faster movement of the coloured water, as higher temperatures increase the rate of evaporation and water transportation.