| ⇦ |
| ⇨ |
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: - In a ring girdled plant:
- Bicollateral vascular bundles are found in family
- During the stage in the complete oxidation of glucose are the greatest number
- Which of the following are most suitable indicators of SO2 pollution in the environment?
- The term ‘protobiogenesis’ is used for theory to
Topics: Transport and Nutrition in Plants
(163)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a ring girdled plant:
- Bicollateral vascular bundles are found in family
- During the stage in the complete oxidation of glucose are the greatest number
- Which of the following are most suitable indicators of SO2 pollution in the environment?
- The term ‘protobiogenesis’ is used for theory to
Topics: Transport and Nutrition in Plants (163)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends

Leave a Reply