Question

1. Osmosis and diffusion
2. Xylem and phloem​

Answer 1

Answer:

1 = it is define as the movement of water to semi permeable membrane in this water mover from higher concentration to lower concentration Gradient

diffusion = it is passive process in this energy is not required and molecules flow from high concentration to lower concentration

2= Xylem helps in movement of water

phloem helps in moment of food substans from leave to athoer part of plant

Answer 2

Answer:

• Osmosis Diffusion
• It is limited only to the liquid medium. Occurs in all mediums – Solid, Liquid and gas.
• Requires a semipermeable membrane. Do not require a semipermeable membrane.
• Depends on the number of solute particles dissolved in the solvent. Depends on the presence of other particles.
• Requires water for the movement of particles. Do not require water for the movement of particles.
• Only the solvent molecules can diffuse. Both the molecules of solute and solvent can diffuse.
• The flow of particles occurs only in one direction. The flow of particles occurs in all the directions.
• The entire process can either be stopped or reversed by applying additional pressure on the solution side. This process can neither be stopped nor reversed.
• Occurs only between similar types of solutions. Occurs between the similar and dissimilar types of solutions.
• It involves the movement of only solvent molecules from one side to the other. It involves the movement of all the particles from one region to the other.
• The concentration of the solvent does not become equal on both sides of the membrane. The concentration of the diffusion substance equalizes to fill the available space.
• Depends on solute potential. Does not depend on solute potential, pressure potential, or water potential.
• Only water or another solvent moves from a region of high energy or concentration to a region of lower energy or concentration. Any type of substance moves from area of highest energy or concentration to region of lowest energy or concentration.
• Not associated with uptake of minerals and nutrients. It helps in the uptake of minerals and nutrients.
• Evaporation is not controlled by any such process. Transpiration is controlled by the processes, such as osmotic potential and water potential.
• Evaporation provides dryness to the free surface. Transpiration makes the surface of leaves and young stems wet and protects them from sunburn.

Explanation:

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