Opening and closing of stomata is due to the:
Gaseous exchange
Change in Turgor pressure of guard cells
Hormonal change in guard cells
Respiration
Opening and closing of stomata is due to the:
Phenylmercuric acetate |
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If water enters in a cell, the pressure exerted by its swollen protoplast is |
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In soil, water available for plants is |
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Graham`s Law is correlated with |
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Due to low atmospheric pressure, the rate of transpiration will |
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With an increase in the turgidity of a cell, the wall pressure will |
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Transport of food material in higher plants takes place through |
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The transpiration is regulated by the movements of |
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The osmotic potential and pressure potential of three cells (A, B, C) located in different parts of an actively transpiring plant are given below:
Identify these three cells as root hair, root cortical and leaf mesophyll cells respectively. The correct answer is |
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Passage cells are thin-walled cells found in: |
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