1.1 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) 0 10 Loss of water (g/hour) 1 15 22 22 1.1.1 What is the name of the process through which a plant loses water in the form of water vapour, from the leaves? 1.1.2 Give the dependent vanable of this investigation. which the validity of the results was ansured at 1.1.4explain shy the loss water at 30kilolux and 40kilolux are the same

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24-08-2022
Health

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1.1 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) 0 10 Loss of water (g/hour) 1 15 22 22 1.1.1 What is the name of the process through which a plant loses water in the form of water vapour, from the leaves? 1.1.2 Give the dependent vanable of this investigation. which the validity of the results was ansured at 1.1.4explain shy the loss water at 30kilolux and 40kilolux are the same

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pankajpal6971 pankajpal6971 · Answer 1 · 2022-08-27T18:34:16+02:00

A potted plant's mass can be calculated at hourly intervals to calculate the rate of water loss from the leaves. To ascertain how light intensity affected the rate of water loss, an investigation was conducted. The equipment was left for 15 minutes at each light intensity before the mass was calculated. The amount of water lost was then calculated and documented in the table below. Light levels (kilolux) 0–10 Water loss (g/hour).

Name of this process is Transpiration .
The mL/min/m2 rate of water loss serves as the dependent vanaable. They must determine the change by reading the water level. The many climatic conditions make up the series. Wind, humidity, control, and a strong light.
The ultimate gain by the root absorption will neutralize the loss that's why the loss water at 30kilolux and 40kilolux are the same.

What is Transpiration ?

Water moves through a plant during transpiration, where it evaporates from aerial parts like leaves, stems, and flowers. Although water is essential to plants, only a small portion of the water absorbed by the roots is utilized for growth and metabolism. Transpiration and guttation account for the remaining 97–99.5% of loss.

To know more about Transpiration please click here :

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