Biology
- Guard Cell Regulates
A) Transpiration B) Respiration C) Photosynthesis D) Photorespiration The correct answer is: A) Transpiration...
- #74 Identifying Sources Of Error
It is very important to understand the difference between experimental errors and 'mistakes'. A mistake is something that you do incorrectly, such as misreading the scale on a thermometer, or taking a reading at the wrong time, or not emptying...
- #42 Summary Of Transport In Multicellular Plants
1. Multicellular organisms with small surface area to volume ratios need transport systems. 2. Water and mineral salts are transported through a plant in xylem vessels. Movement of water is a passive process in which the water moves down a water...
- #40 Movement Of Water And Minerals In The Xylem
Most plants secure the water and minerals they need from their roots. The path taken is: soil -> roots -> stems -> leaves. The minerals (e.g., K+, Ca2+) travel dissolved in the water. Water and minerals enter the root by separate paths which...
- #38.1 Transport In Multicellular Plants - Syllabus 2015
? The need for, and functioning of, a transport system in multicellular plants Learning Outcomes Candidates should be able to: (a) explain the need for transport systems in multicellular plants and animals in terms of size and surface area to...
Biology
Differences between Transpiration and Guttation
Differences between Transpiration and Guttation (Comparison between Transpiration and Guttation)
| Transpiration | Guttation |
| 1. Water is lost in the form of water vapour. | Water is lost in the form of liquid droplets. |
| 2. It occurs through stomata, lenticels and cuticle. | It occurs through hydathodes. |
| 3. It occurs mostly during the day. | It occurs during the cold hours of night and early morning. |
| 4. The transpired water is pure. | Guttated water is a dilute solution of both organic and inorganic substances. |
| 5. It continues even when the plant is under water stress. | It does not occur under conditions of water deficiency. |
| 6. Excessive transpiration causes wilting. | Excessive guttation does not cause loss of turgidity. |
| 7. It is controlled by a number of factors, the chief being the opening and closing of stomata. | It continues as long as the adequate supply of water is maintained and the environment is cold and humid. |
- Guard Cell Regulates
A) Transpiration B) Respiration C) Photosynthesis D) Photorespiration The correct answer is: A) Transpiration...
- #74 Identifying Sources Of Error
It is very important to understand the difference between experimental errors and 'mistakes'. A mistake is something that you do incorrectly, such as misreading the scale on a thermometer, or taking a reading at the wrong time, or not emptying...
- #42 Summary Of Transport In Multicellular Plants
1. Multicellular organisms with small surface area to volume ratios need transport systems. 2. Water and mineral salts are transported through a plant in xylem vessels. Movement of water is a passive process in which the water moves down a water...
- #40 Movement Of Water And Minerals In The Xylem
Most plants secure the water and minerals they need from their roots. The path taken is: soil -> roots -> stems -> leaves. The minerals (e.g., K+, Ca2+) travel dissolved in the water. Water and minerals enter the root by separate paths which...
- #38.1 Transport In Multicellular Plants - Syllabus 2015
? The need for, and functioning of, a transport system in multicellular plants Learning Outcomes Candidates should be able to: (a) explain the need for transport systems in multicellular plants and animals in terms of size and surface area to...