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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.
Related Questions: - Which one of the following is commonly used in transfer of foreign DNA into crop plants?
- Illegal and unlawful development of biomaterials without payment
- When a tall and red flowered individual is crossed with a dwarf and white
- Who stated that a population is a self regulating system?
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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
- Which one of the following is commonly used in transfer of foreign DNA into crop plants?
- Illegal and unlawful development of biomaterials without payment
- When a tall and red flowered individual is crossed with a dwarf and white
- Who stated that a population is a self regulating system?
- The scutellum obsorved in a grain of wheat or maize is comparable to which part
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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