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The higher osmotic potential in the plant cells (root hairs and its surrounding cells) is the cause of entering water in plants from the soil by endo-osmosis. Once the water reaches near xylem it is pulled upward by cohesion force. And thus the continuity of water entring in the root is maintained.
Water enters continuously into the root xylem through a process called transpiration. Transpiration is the movement of water from the roots, up through the plant, and out through small pores in the leaves called stomata. This creates a negative pressure in the xylem, causing water to be pulled up from the roots to replace the water lost through transpiration.
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How is osmosis involved in supplying water for photosynthesis in the leaf?
Because osmosis is related to the movement of water molecules.
What is the tissue responsible for transporting water and minerals from the root to the stem and leaves?
The tissue responsible for transporting water and minerals from the root to the stem and leaves is called xylem. Xylem is a type of vascular tissue that consists of specialized cells that form vessels for conducting water and nutrients.
Water enters a plant through which structures?
roots/root hairs.
A force which pushes water from root xylem into stem xylem?
The force responsible for pushing water from root xylem into stem xylem is called root pressure. This force is generated by osmotic processes in the root cells, specifically in the endodermis and pericycle layers, which drive water uptake and create a positive pressure within the xylem vessels.
Where does the xylem get water?
The xylem gets water from the roots of the plant through the process of transpiration and root pressure. Water is absorbed by the plant's roots from the soil and transported through the xylem tissues to the rest of the plant.
How is osmosis involved in supplying water for photosynthesis in the leaf?
Because osmosis is related to the movement of water molecules.
How does water get into the xylem vessels in roots?
Water enters the xylem vessels in roots primarily through a process called osmosis, where water moves from an area of higher water potential in the soil to an area of lower water potential in the root cells. This movement is facilitated by root hairs and specialized cells in the root, such as the endodermis. Additionally, the process of transpiration in leaves creates a negative pressure in the xylem, which helps pull water up from the roots.
Describe the pathway followed by a water molecule from the time it enters a plant root to the time it enters a plant root to the time it escapes into the atmosphere from a leaf?
A water molecule enters a plant root through specialized cells called root hairs and moves up through the xylem tissue, driven by capillary action and transpiration pull. It then flows through the stem and into the leaf where it exits the plant through tiny pores called stomata as water vapor, a process known as transpiration.
What is the tissue responsible for transporting water and minerals from the root to the stem and leaves?
The tissue responsible for transporting water and minerals from the root to the stem and leaves is called xylem. Xylem is a type of vascular tissue that consists of specialized cells that form vessels for conducting water and nutrients.
Water enters a plant through which structures?
roots/root hairs.
Does mineral salt enters the root cells by diffusion or active transport?
Mineral salt enters the root thru active transport, after it enters, the mineral salt is passed on to another root cell through diffusion to move to the xylem tube then it moves up the tube via transpiration pull
A force which pushes water from root xylem into stem xylem?
The force responsible for pushing water from root xylem into stem xylem is called root pressure. This force is generated by osmotic processes in the root cells, specifically in the endodermis and pericycle layers, which drive water uptake and create a positive pressure within the xylem vessels.
Where does the xylem get water?
The xylem gets water from the roots of the plant through the process of transpiration and root pressure. Water is absorbed by the plant's roots from the soil and transported through the xylem tissues to the rest of the plant.
What two structures does water and minerals pass through to get to xylem?
Water and minerals pass through the root epidermis and root cortex cells to reach the xylem in plant roots. The root epidermis is the outermost layer of cells in the root, and the root cortex is a region of parenchyma cells between the epidermis and the vascular tissue (xylem and phloem).
Does root pressure move water a long distance up the xylem because of the higher water potential of the xylem in comparison to the water potential in the surrounding cells?
Yes, root pressure can push water up the xylem over short distances due to the higher water potential in the xylem compared to the surrounding cells. However, it is not the main mechanism responsible for long-distance water transport in plants. Transpiration and cohesion-tension are more significant in moving water up through the xylem over greater distances.
How does water from root hairs transfer to the xylem tissue?
Water is absorbed by root hairs through osmosis from the soil. It moves through the root cells and into the xylem tissue via a combination of passive transport and root pressure. Once in the xylem, water is transported upwards through the plant due to transpiration pull.
The end of the root that absorbs minerals and?
water from the soil is called the root hair zone. This zone is responsible for nutrient uptake by the plant through tiny hairs that increase the surface area for absorption.
