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    Transport in Plants
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    Name the two forces responsible for the rise of water in a capillary tube.

    The two forces responsible for the rise of water in a capillary tube
    (i) Cohesion force (ii) Adhesion force
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    What are the two factors which affect osmosis?
    Factors affecting osmosis :

    1. Concentration gradient. The difference in the concentration on both sides of the semipermeable membrane. 

    2. Pressure gradient - Pressure difference between two solutions.

     

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    Which force is first operative in translocation of water through capillarity : cohesive force or adhesive force ?
    Adhesive force is first operative in translocation of water. The walls of xylem absorb water by adhesion and then water goes up by cohesion.
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    Name the plant having equal number of stomata on both surfaces.
    Monocots plants usually have equal number of stomata on the upper and lower surface. For example - Onion.
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    Name the plant having more stomata on lower surface than on upper surface.
    Dicot plants have more number of stomata on their lower surface than on the upper surface. For example Sunflower.
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