| ⇦ | 
| ⇨ |
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
- HIV decreases natural immunity of body by
- Sewage treatment process in which part of decomposer bacteria is recycled into starting
- Thermal cycle is used in
- Which one of the following is a serial mode of reproduction in protozoa?
- The first stable compound formed during C cycle is
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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