Positive pressure imparting bulk flow is...

Positive pressure imparting bulk flow is observed in

translocation of sucrose

Ascent of sap in tall trees

Ascent of sap in herb

1 and 3

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AAKASH SERIES-TRANSPORT IN PLANTS -EXERCISE III

Positive pressure imparting bulk flow is observed in
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The water potential of pure water is:
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Which of the following facillitates opening of stomatal aperture ?
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Specialised epidermal cells surrounding the guard cell are called
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The phloem sap is
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Water vapour comes out from the plant leaf through the stomata} openin...
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Root pressure is usually because of
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Roots play insignificant in absorption of water in :
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A column of water within xylem vessels of tall trees does not break un...
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Transpiration and root pressure cause water to rise in plants by
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The osmotic expansion of a cell kept in water is chiefly regulated by
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Lenticels are involved in
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Which of the following criteria does not pertain to facilitated transp...
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Which one of the following is correctly matched
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Guard cells differ from other epidermal cells in having
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Which one of the following elements in plants is not remobilised ?
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Guttation is the result of
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which one of the following structures between two adjacent cells is an...
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Guard cell help in :
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The rupture and fractionation do not usually occur in the water column...
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Two cells A and B are contiguous, Cell A has osmotic pressure 10 atm, ...
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