The rate of water loss from the leaves of a potted plant can be measured by determining the mass of the plant at one-hour intervals. An investigation was done to determine the effect of light intensity on the rate of water loss. At each light intensity the apparatus was left for 15 minutes before determining the mass. The loss of water was then determined and recorded in the following table: Light intensities (kilolux) Loss of water (g/hour) 0 10 20 30 40 1 15 20 22 22 What in the name of the necess through which a plant Ioses water .explain why the water loss at 30 kilolux and 40 kilolux is the same ​

A potometer measures water loss from leaves. A bubble potometer measures the rate of water loss from a plant by transpiration. A weight photometer measures the amount of water lost by a plant through transpiration. The washing line method is used to prove that most water loss occurs from the lower surface of the leaf.

potometer' (from Greek ποτό = drunken, and μέτρο = measure), sometimes known as transpirometer, is a device used for measuring the rate of water uptake of a leafy shoot which is almost equal to the water lost through transpiration. The causes of water uptake are photosynthesis and transpiration

the bedroo..

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