The membrane, which allows passage of certain substances more readily than others is termed as
Permeable
Selectively permeable
Semi-permeable
Impermeable
Related Questions
Term osmosis is specifically used to refer
Diffusion across the semipermeable membrane
Diffusion across the permeable membrane
Secondary active transport
Facilitated diffusion
Osmoregulation is maintained by?
Lungs and skin
Kidneys and hormonal control
Heart and blood vessels
Stomach and intestines
A plant cell with a water potential of -0.65 MPa is placed in a solution with a water potential of -0.30 MPa. Assuming the cell wall is rigid and fully permeable, and the cell membrane is selectively permeable, what will be the pressure potential of the cell at equilibrium?
-0.95 MPa
-0.35 MPa
+0.35 MPa
+0.95 MPa
Osmosis involves flow of
Water without a membrane
Solute from a semi-permeable membrane
Solvent through a semi-permeable membrane
None of the above
All the water absorbed by osmosis is stored in?
Vacuole
Cytoplasm
Plasma membrane
Nucleus
Imagine a U-shaped tube with a selectively permeable membrane separating two solutions. Side A contains a 0.2M sucrose solution, and Side B contains a 0.1M NaCl solution. Initially, the levels are equal. Considering the dissociation of NaCl and the non-penetrating nature of sucrose and NaCl, which side will have a higher level at equilibrium?
Side A
Side B
The levels will remain equal
The membrane will rupture
Osmotic pressure is highest in which of the following plant type?
Mesophytes
Xerophytes
Halophytes
Hydrophytes
In thistle funnel experiment, what will occur if sugar solution is added to beaker, after the process of osmosis stops?
The level of solution in thistle funnel rises up
The level of solution in thistle funnel lowers
The level of solution in beaker lowers
The level of solution remains unaffected in beaker
Choose the correct option in accordance to the statements given above
I. The positive hydrostatic pressure is also called as turgor pressure
II. Wall pressure is exerted to prevent any increase in protoplasm size
III. Osmosis is the movement of substances, which takes place along a diffusion gradient
IV. Plasmolysis is the result of reverse osmosis
I, II, III are correct IV is incorrect
II, I are correct, while IV and III are incorrect
III and IV are correct, while I and II are incorrect
Only II is correct
What is the driving force for osmosis?
Difference in water potential
Difference in solute concentration
ATP hydrolysis
Temperature