NEET Biology: Questions 593 - 597 of 3146
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Question number: 593
In wood dicotyledons, the arrangement of vessels is either diffuse porous or ring porous or ring porous. Based on these data, which one of the following statements is correct?
Ring porous vessels conduct more water as they are formed early during development, when the need for water is great.
Ring porous vessels are specialized and are used for conducting more water for a shorter period only, when tyloses occur early in the vessels.
Although diffuse porous vessels are not specialized as ring porous vessels, they conduct more water at all periods and through new xylem vessels added gradually during development.
Diffuse porous vessels carry more water and also faster because of a greater number of small vessels having greater capillary force.