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SANTRA PUBLICATION-TRANSPORT IN PLANTS -A. MULTIPLE CHOICE QUESTIONS (MCQ)
- Plants loss water by guttation when
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- which of the following leaves would dry up last ?
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- Stewart's theory of stomata opening and closure states the presence of...
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- Cohesion theory of Ascent of sap was proposed by
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- Transpiration is very low during storms due to
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- Spraying of phenyl mercuric acetate results in
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- Guard cells in monocot leaves are
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- Potassium ion exchange hypothesis of opening and closing of stomata wa...
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- In plants water rises upward through
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- Ascent of sap takes place through
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- Source of turgor pressure in plant cell is
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- If there is no net movement of water into a cell from outside medium ,...
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- The diffusion of water through a semipermeable membrane is known as
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- A membrane which permits selective movement of molecules through it , ...
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- DPD is equal to
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- Water will be absorbed by root hairs when
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- The percentage of water left in the soil when the plant wilt is called
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- If a cell X' has OP = 6 and TP = 5 and is surrounded by the cell with ...
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- When the temperature of the soil is zero then
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- When a plant wilts , the sequence of events will be as follows
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