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Transport in Pl...

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  • Question 1
    1 / -0

    Which is incorrect?

  • Question 2
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    The correct ascending sequence with respect to their water potential is


    (a) $$ \pi = -0.8 \text{MPa}, P = +0.4 \text{MPa}$$
    (b) $$ \pi = -1.0 \text{MPa}, P = +0.5 \text{MPa}$$
    (c) $$ \pi = -0.9 \text{MPa}, P = +0.2 \text{MPa}$$
    (d) $$ \pi = -0.3 \text{MPa}, P = +0.2 \text{MPa}$$

  • Question 3
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    Recognize the figure and find out the correct statement.
    (i) The solution of which chamber has a lower water potential?
    (ii)The solution of which chamber has a lower solute potential?
    (iii) In which direction osmosis occurs?
    (iv) At equilibrium which chamber will have lower water potential?

  • Question 4
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    The apoplast is located

  • Question 5
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    X and Y are two living cells adjacent to each other. The cell X has solute potential $$ ( \Psi_s ) $$ of -9 bars and pressure potential $$ ( \Psi_p ) $$ of 4 bars whereas cell Y has solute potential $$ ( \Psi_s ) $$ of -8 bars and pressure potential $$ ( \Psi_p ) $$ of 5 bars. What will be the direction of water movement between these cells?

  • Question 6
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    Arrange the following in ascending order based on their solute concentration 


    CellWater Potential
    (KPa)    		Pressure Potential 
    (KPa)
    (a)-590320
    (b)-368623
    (c)-292412
    (d)-481146

  • Question 7
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    Components of water potential of four cells of an actively transpiring monocot plant are

    CellOsmotic Potential Pressure Potential 
    a-0.90.5
    b-0.80,6
    c-0.60.1
    d-0.70.4
    Identify the four cells as root hair, cortical cell, epidermal and pericycle cells.

  • Question 8
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    Choose the correct answers from the alternatives given.
    Water and minerals that cross the cortex through the symplast move

  • Question 9
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    In __________ pathway, water crosses at least two membranes for each cell in its path (i.e., plasma membrane on entering and exiting).

  • Question 10
    1 / -0

    If the xylem vessels of a plant are plugged

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