Why At High Atmospheric Humidity, The Rate Of Transpiration Is Low?
At high atmospheric humidity, transpiration is low. This is because the transpiration rate is proportional directly to the saturation deficit.... View Article
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What Is The Main Pathway For Water Translocation In Angiosperms?
When the movement of solute is limited compared to the water movement across the semipermeable cell membranes, water moves as... View Article
Is Water Movement Due To DPD?
DPD is the reason for the movement of water between cells. When a cell is dropped in pure water, it... View Article
Is Guttation Affected By Root Pressure?
Guttation is the loss of water via hydathodes (water stomata). This process takes place when the rate of transpiration is... View Article
Does Transpiration Prevent Overheating?
The precipitation and temperature conditions in terrestrial regions are affected by transpiration. The pace of transpiration is directly proportional to... View Article
What Happens When Sugar Is Converted Into Starch In Guard Cells?
When sugar is converted into starch in guard cells, the stomatal pores completely close. During night time, carbon dioxide liberated... View Article
How Is The Movement Of Water In Terms Of DPD?
Always, water moves from low DPD to high DPD. Solutes and water enter through the root hair during absorption of... View Article
What Are The Two Mechanisms Of Water Absorption In Plants?
Root tips mainly absorb water from soil. The two independent mechanisms involved in water absorption in plants are active and... View Article
How Does Organic Food Move In Plants?
Movement of solutes or organic food from one to another structure in the soluble form is the translocation of solutes.... View Article
How Is Potential Affected If Solutes Are Added To Water?
In pure water, chemical potential or water potential is arbitrarily zero bar. Solute potential or osmotic potential indicates the impact... View Article
What Are The Forms In Which Water Occurs In The Soil?
Water occurs in the following different forms in the soil – gravitational water, free water, hygroscopic water, capillary water and... View Article
Where Is Glycolic Acid Formed?
Zelitch proposed that glycolic acid takes form in the guard cells. It is formed under the influence of low concentration... View Article
When Does The Rate Of Salt Absorption Increase?
The rate of salt absorption increases when the temperature increases. However, this is to some limit as absorption of salt... View Article
How Does A Potometer Work?
Potometer or transpirometer is used to measure the transpiration rate. It is a long glass tube, side tube at right... View Article
What Is Potometer Used For?
Water uptake is due to transpiration and photosynthesis. Potometer or transpirometer is an apparatus or instrument using which the rate... View Article
What Are Phloem Proteins?
Phloem proteins or P-proteins are elements found in phloem sieve tubes in large quantities. They are involved in sealing off... View Article
Does Transpiration Occur Due To The Activity Of Stomata?
Stomata are prime structures for transpiration. The leaf and stem epidermis are supplied with many stomata. Stomatal transpiration is the... View Article
How Is Root Pressure Linked To Guttation?
Different ions from the soil are transported actively into roots’ vascular tissues. Water goes as per the potential gradient, increasing... View Article
How Does The Guard Cell Differ From The Epidermal Cell?
Following are the differences between guard cells and epidermal cells – Epidermal cells are irregularly structured while guard cells have... View Article
What Mediates Facilitated Diffusion?
Facilitated division or transport is the spontaneous passing of ions or molecules across a biological layer passing via particular transmembrane... View Article
