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Earn 100

In a physical demonstration of Cohesion-tension theory, a rise in the level of _____ demonstrates the tension.
(a)water
(b)air bubble
(c)mercury
(d)cell sap

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Important Questions on Plant Water Relations and Mineral Nutrition
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The ultimate cause for the movement of water against gravity in a tree is

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Rate of cuticular transpiration is _________ to the thickness of cuticle.

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Guard cells help in

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Transpiration is very important for plants because it helps in

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In plants, the process of transpiration helps in

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The chlorophyllous cells which are fewer in number, unique in shape with thicker inner walls are known as

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Guard cells are________ shaped in dicot and __________ shaped in monocot.

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Guard cells differ from epidermal cells as they have
