Related Questions

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
Gaseous exchanges through the respiratory membrane is directly proportional to
A Surface area of respiratory membrane
B Diffusion co-efficient of gas
C Solubility of the gas
D The thickness of respiratory membrane
E Molecular weight of the gas
Rate of gase diffusion through the respiratory membrane is
A Inversely proportional to thickness of respiratory membrane
B Directly proportional to surface area of respiratory membrane
C Directly proportional to pressure difference of gas
D Inversely proportional to solubility of the membrane
E Inversely proportional to diffusion co-efficient of gas
If A varies directly proportional to C and B also varies directly proportional to C, which one of the following is not correct ?
A $$\left( {A + B} \right)\alpha \,C$$
B $$\left( {A - B} \right)\alpha \,\frac{1}{C}$$
C $$\sqrt {AB} \,\alpha \,C$$
D $$\frac{A}{B} = {\text{constant}}$$
Knudsen diffusion is directly proportional to
A T
B $$\sqrt {\text{T}} $$
C $$\frac{1}{{\sqrt {\text{T}} }}$$
D T2
The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the
A Lewis-Randall rule
B Statement of Vant-Hoff equation
C Le-Chatelier's principle
D None of these
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
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
Simple diffusion and facilitated diffusion share the following characteristics
A Do not require ATP
B Saturation kinetics
C Transport solute along concentration gradient
D Can be blocked by specific inhibitors
E Require transport protein

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