Define the following:1. Osmosis2. Transpiration3. Transpiration stream

1.	Define the following:1. Osmosis2. Transpiration3. Transpiration stream4. Diffusion
Answer» 1. Osmosis: Osmosis is the process by which water molecules move from a weaker solution into a stronger solution through a partially permeable membrane. 2. Transpiration: Transpiration is the loss of water in vapour form from the leaves into the air. 3. Transpiration stream: The continuous flow of water from roots to the leaves (via xylem vessels) where it evaporates into the air by transpiration is called transpiration stream. It can be summarised as: Soil —> root hair —> xylem vessels —> leaves —> air. 4. Diffusion: Diffusion is the movement of particles from a high concentration to a low concentration until they are spread out evenly.

Define the following:1. Osmosis2. Transpiration3. Transpiration stream4. Diffusion

Answer»

1. Osmosis: Osmosis is the process by which water molecules move from a weaker solution into a stronger solution through a partially permeable membrane.

2. Transpiration: Transpiration is the loss of water in vapour form from the leaves into the air.

3. Transpiration stream: The continuous flow of water from roots to the leaves (via xylem vessels) where it evaporates into the air by transpiration is called transpiration stream. It can be summarised as: Soil —> root hair —> xylem vessels —> leaves —> air.

4. Diffusion: Diffusion is the movement of particles from a high concentration to a low concentration until they are spread out evenly.

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