Plant Water Relations

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Plant Water Relations: Overview

This topic covers concepts such as Hypertonic Solutions, Hypotonic Solutions, Isotonic Solutions, Turgidity, Flaccidity, Pressure Gradient, Concentration Gradient, and Physical Properties of Water.

Important Questions on Plant Water Relations

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In rainy seasons, the door gets swelled due to

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Plant seeds when sown in soil, germinate and come out of it; due to

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Turgour pressure is the

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What would be Ψp of cell sap in cell-A and cell-B respectively?

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When a cell is placed in a solution whose osmotic concentration is equal to cell sap then,

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The hydrostatic pressure which develops due to entry of water into a plant cell is

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When solute potential increases then water potential would

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Osmotic potential is

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Concentration of water molecules in a system determines

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Select the incorrect statement w.r.t. imbibition

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Doors made up of wood, swell up in rainy season due to

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A plant cell if placed in distilled water will

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A cell is placed in 0.4M solution of sugar and no change in volume of cell is found. What is the concentration of the cell sap?

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A cell when immersed in a solution, increases in volume, so the external solution is

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All given factors promote absorption of water by roots, except:

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Match the following list-I with list-II and select the option with correct matching.

  List -I   List - II
A. Water potential of 10% salt solution I. Positive
B. Pressure potential in a normal cell II. Negative
C. Pressure potential in a plasmolysed cell III. Positive
D. Matric potential on the surface of the wood IV. Negative
    V. Zero

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Which transport process is independent of concentration gradient?

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Based on the figure given below which of the following statements is not correct? 

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Which of the following is required for the 'uphill transport' of substances through a membrane?

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An example of imbibition is