What is diffusion pressure? -Biology

1 Answer

Answer :

answer:

Related questions

Description : What is diffusion pressure deficit (or DPD)? -Biology

Last Answer : answer:

Description : What is diffusion pressure ?

Last Answer : : Differential pressure is the latent ability of an object to expand from a higher density to a lower density at the same temperature and uniform atmospheric pressure.

Description : Assertion `:-` The amount of `CO_(20` that can diffuse through the diffusion membrane per unit differnece in partial pressure is much higher compared

Last Answer : Assertion `:-` The amount of `CO_(20` that can diffuse through the diffusion membrane per unit ... . D. If both Assertion & Reason are false.

Description : The pressure rise in the impeller of centrifugal compressor is achieved by A. the decrease in volume and diffusion action B. the centrifugal action and decrease in volume C. the centrifugal and diffusion action D. the centrifugal and push pull action

Last Answer : ANSWER : D

Description : Stage efficiency in a leaching process depends on the (A) Time of contact between the solid and the solution (B) Rate of diffusion of the solute through the solid and into the liquid (C) Both (A) and (B) (D) Vapour pressure of the solution

Last Answer : (C) Both (A) and (B)

Description : 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

Last Answer : (D) None of these

Description : Pick out the wrong statement. (A) The mole fraction of solute is directly proportional to the molality of a 'dilute' solution (B) For a non-reacting binary mixture of ideal gases, the partial ... at all temperature (D) The relative volatility of a binary mixture at the Azeotropic composition is 1

Last Answer : (C) Azeotropes obey Raoult's law at all temperature

Description : Gaseous diffusion co-efficient increases with increase in the (A) Pressure (B) Temperature (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (B) Temperature

Description : Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the (A) Mass transfer co-efficient (B) Thermal diffusivity (C) Kinematic viscosity (D) Volumetric diffusivity

Last Answer : (A) Mass transfer co-efficient

Description : Ordinary diffusion process is also called __________ diffusion. (A) Pressure (B) Thermal (C) Concentration (D) Forced

Last Answer : (C) Concentration

Description : __________ diffusion is used for separating the isotopes of methane. (A) Thermal (B) Pressure (C) Concentration (D) Force

Last Answer : (A) Thermal

Description : Pick out the correct statement. (A) Higher hold up of the solid in the rotary dryer results in better exposure of the solids to the gas (B) The 'Hatta number' is ... reflux in case of distillation operation requires infinite number of plates for a binary system separation

Last Answer : (C) For a non-reacting binary mixture of ideal gases, the partial pressure distribution of both components is linear in the case of steady state equimolal counter-diffusion

Description : The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving ... (C) Kc = Kp . RT = Km . RT/p (D) None of these

Last Answer : (C) Kc = Kp . RT = Km . RT/p

Description : Analogy between mass and heat transfer is not applicable in case of (A) Same velocity profile or equal eddy diffusivities (B) Thermal or pressure mass diffusion (C) Viscous heating or chemical reaction (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

Description : Guttation is the result of (a) diffusion (b) transpiration (c) osmosis (d) root pressure.

Last Answer : (d) root pressure.

Description : Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure ... two (c) movement of water from cell A to B (d) movement of water from cell B to A.

Last Answer : (c) movement of water from cell A to B

Description : Bulk diffusion in catalyst pore __________ with increase in pressure. (A) Increases (B) Decreases (C) Remains unchanged (D) Increases exponentially

Last Answer : (B) Decreases

Description : In the passive diffusion, solute molecules cross the membrane as a result of A- concentration difference B- pressure difference C- ionic difference D- all of these

Last Answer : concentration difference

Description : What is the difference between diffusion and osmosis ? -Biology

Last Answer : The process through which only Liquids move from a Higher concentrated solution towards a Lower concentrated solution through a semi-permeable membrane is called Osmosis whereas The process through which any substance ... :) Stay Safe, Stay Curious, Keep Learning, Keep Growing..... Thankyou!!!

Description : Differentiate between diffusion and osmosis. -Biology 9th

Last Answer : Difference between Osmosis and DiffusionOsmosisDiffusionIt is limited only to the liquid medium.Occurs in liquid, gas and even solids.Requires a semipermeable membrane.Does not require a semipermeable membrane. ... to a glass of water, where eventually, the entire water content becomes coloured.

Description : Differentiate between diffusion and osmosis. -Biology 9th

Last Answer : answer:

Description : In single celled organisms diffusion is sufficient to meet all their requirements of food, exchange of gases or removal of wastes but it is not in case of multicellular organisms. Explain the reason for this difference. -Biology

Last Answer : Unicellular organisms can absorb sufficient oxygen because of its complete contact with the atmosphere, but in multicellular organisms the rate of absorption and diffusion becomes very less because all ... of oxygen to sustain life processes which cannot be fulfilled by the process of diffusion.

Description : Why the process of diffusion is important in exchange of gases and water in the animal and plant cell ? -Biology

Last Answer : Diffusion is an important in exchange of gases and water in the life of a cell, in addition to this the cell also obtain nutrition from its environment.

Description : What are the factors affecting the rate of diffusion? -Biology

Last Answer : answer:

Description : What role do porins play in diffusion? -Biology

Last Answer : answer:

Description : Differentiate between Diffusion and Osmosis. -Biology

Last Answer : answer:

Description : Differentiate between Diffusion and Imbibition. -Biology

Last Answer : answer:

Description : What is diffusion across a biological membrane? -Biology

Last Answer : answer:

Description : What is diffusion through a cell membrane? -Biology

Last Answer : answer:

Description : What are the factors that affect the rate of diffusion? -Biology

Last Answer : answer:

Description : Osmosis is the diffusion of what substance through a cell membrane? -Biology

Last Answer : answer:

Description : Explain diffusion in plants. -Biology

Last Answer : answer:

Description : What are the examples of diffusion in plants? -Biology

Last Answer : answer:

Description : Define the term diffusion. -Biology

Last Answer : answer:

Description : What is facilitated diffusion? -Biology

Last Answer : answer:

Description : Difference between diffusion and translocation in plants. -Biology

Last Answer : answer:

Description : How is facilitated diffusion different from simple diffusion? -Biology

Last Answer : answer:

Description : what are the examples of diffusion in animals -Biology

Last Answer : answer:

Description : what are the examples of diffusion in animals -Biology

Last Answer : answer: