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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
- Gibberellins can promote seed germination because of their influence on
- Slowing of heart beat is called
- How much amount of oxygen is present in one gram of haemoglobin
- in thyroid follicle which type of epithelial tissue is present
- Which one is found over fern leaves
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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