Related Questions

The process of diffusion of one liquid into the other through a semi-permeable membrane is called
A viscosity
B osmosis
C surface tension
D cohesion
In osmosis through a semi-permeable membrane, diffusion of the
A Solvent is from low concentration to high concentration region
B Solvent is from high concentration to low concentration region
C Solute takes place
D None of these
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
A Exact concentration of solution is not given
B Character of semi permeable membrane is not given
C The flow of solution is not possible through semi permeable membrane
D All are incorrect
Which one among the following cell organelles is semi-permeable ?
A Cell membrane
B Plasma membrane
C Cell wall
D Nucleus
On both sides of a selectively permeable membrane, Gibbs-Donnan effect leads to
A Equal concentration ratio of diffusible ion
B Electrical potential difference
C Equal concentration of non diffusible ions
D Equal concentration of diffusible ions
E Osmotic gradient
Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as
A Sheradising
B Parkerising
C Anodising
D None of these
Ordinary diffusion process is also called __________ diffusion.
A Pressure
B Thermal
C Concentration
D Forced
In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the
A Temperature and pressure
B Concentration
C Nature of the constituents
D None of these
Rate of gas diffusion through the respiratory membrane is
A Directly proportional to diffusion coefficient of the gas
B Inversely proportional to the thickness of respiratory membrane
C Directly proportional to solubility of the gas
D Inversely proportional to the pressure gradient between two sides of membrane
E Directly proportional to molecular weight of the gas
Rate of gas diffusion through the respiratory membrane is directly proportional to
A Surface area of the membrane
B Solubility of gas
C Diffusion coefficient
D Molecular weight of gas
E Thickness of the membrane

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