NEET Biology question
Not in NEET syllabus
Study the following statements and choose the correct option(s) from the codes given below.
I. Root pressure provides a light push in the overall process of water transport. II. Root pressure causes the flow of water faster through xylem than it can be lost by transpiration. III. In the symplast pathway, water moves exclusively through the cell wall and intercellular spaces. IV. Guttation is a cause of transpiration pull. V. Most plants fulfil their water requirement through transpiration pull.
Solution
I is correct — root pressure is only a minor, supplementary ("light") push to water transport. V is correct — the great majority of plants depend primarily on transpiration pull, not root pressure, to meet their water needs. II is false — root pressure actually
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