Rate of transpiration is highest when
soil is wet and air is dry
soil is wet and air is humid
soil is dry and air is humid
both soil and air are dry
Rate of transpiration is highest when
Which wall of the guard cells is thick? |
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Who said that ‘transpiration is a necessary evil"? |
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Transpiration occurs from |
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Transpiration differs from evaporation in |
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Water enters into root hairs from the soil on account of ________. |
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Transpiration occurs through |
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Cohesion theory of ascent of sap was proposed by |
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Which of the following explain ascent of sap? |
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A semipermeable membrane allows the diffusion of |
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Transpiration rate is dependent upon |
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