Fill in the blanks by choosing the correct alternative from those given in the brackets.
c. Osmosis is the diffusion of water across a _____________ membrane. (partially permeable/fully permeable)

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Solution

Partially permeable:
A partially permeable membrane only allows the passage of some selected specific molecules and particles through them.
Fully permeable:
A fully permeable membrane allows the transport of all the molecules through them.
Osmosis:
Osmosis is a type of diffusion of water molecules across a partially permeable membrane from a lower solute concentration to a higher solute concentration.
Final answer: Osmosis is the diffusion of water across a partially permeable membrane.

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Fill in the blanks by choosing the correct alternative from those given in brackets.

(a) When placed in a more concentrated solution, the cell contents will ............................. (shrink/ swell up)

(b) The pressure by which the ............................. molecules tend to cross the semi-permeable membrane is called osmotic pressure.(salt / water)

Osmosis and diffusion are the same except that in osmosis there is

(a) a freely permeable membrane

(b) a cell wall in between

(d) an endless inflow of water into a cell

Q. Fill in the blanks with approriate words.
The diffusion of water across a selectively permeable membrane is called.......... This diffusion is from a.......... solution to a.......... solution.

Assertion (A): Osmosis is a biological process

Reason (R): Osmosis is a special type of diffusion of water which occurs through differentially permeable membrane

Fill in the blanks by choosing the correct alternative from those given in the brackets.

e. Absorption of water in plants takes place through the roots by the process of _________. (osmosis/diffusion)

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Fill in the blanks by choosing the correct alternative from those given in the brackets. c. Osmosis is the diffusion of water across a _____________ membrane. (partially permeable/fully permeable)

Fill in the blanks by choosing the correct alternative from those given in the brackets.
c. Osmosis is the diffusion of water across a _____________ membrane. (partially permeable/fully permeable)