Cohesion-tension-transpiration pull model explains:

Transpiration in plants

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Water transport in plants

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Conduction of food in plants

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Transport of organic materials

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Solution

The correct option is B Water transport in plants
Cohesion-tension-transpiration pull model was originally proposed by Dixon and Jolly in 1894 and further improved by Dixon in 1914. According to this theory, due to transpiration, the water column inside the plant is pulled up and that leads to ascent of sap.

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