Osmosis Prerna reaches her hostel and looks at
the water filtration units installed along the floor. The key component of the
water filtration units include a Reverse Osmosis (RO) membrane, which similar
to cell membrane is semi-permeable. The RO membrane requires electricity to
supply the external pressure to push water against the osmotic gradient. Based
on the following figure, which of the
following statements correctly distinguish reverse osmosis (RO) from osmosis?

Question

Osmosis Prerna reaches her hostel and looks at
the water filtration units installed along the floor. The key component of the
water filtration units include a Reverse Osmosis (RO) membrane, which similar
to cell membrane is semi-permeable. The RO membrane requires electricity to
supply the external pressure to push water against the osmotic gradient. Based
on the following figure,  which of the
following statements correctly distinguish reverse osmosis (RO) from osmosis?

Answer

Osmosis
occurs spontaneously due to a concentration gradient, whereas RO requires
external pressure.

Answer

RO and osmosis both involve selective
permeability of a membrane towards water, but in RO, the use of external
pressure reverses the direction. This in turn requires energy.

Answer

In
osmosis, water moves from low to high solute concentration, while in RO, it
moves from high to low solute concentration.

Answer

In osmosis, water moves from low to high
solvent concentration, while in RO, it moves from high to low solvent
concentration.

Answer

Both osmosis and RO involve passive
transport, as no energy (ATP or electrical or mechanical) is directly consumed.

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Osmosis Prerna reaches her hostel and looks at the water filtration units insta...

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