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Root pressure is due to
Options
(a) passive transport
(b) gravitation
(c) active transport
(d) diffusion
Correct Answer:
active transport
Explanation:
As various ions from the soil are actively transported into the vascular tissues of the roots, water follows its potential gradient and increases the pressure inside the xylem. This positive pressure is called root pressure, and can be responsible for pushing up water to small heights in the stem.
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Topics: Transport and Nutrition in Plants
(163)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A phase that is common in anaerobic and aerobic respiration is the
- Water reaches the top of a plant due to
- DDT residues are rapidly passed through food chain causing biomagnification
- Select the correct statement from the ones give below with respect to dihybrid cross
- Polyribosomes are aggregates of
Topics: Transport and Nutrition in Plants (163)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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