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Subject :NSO    Class : Class 9

Find out the incorrect statement.

A Osmosis is a slow process, occurs down the concentration gradient and does not expend energy.
B Electron microscope uses very high voltage electricity. It uses electromagnets instead of glass lenses and beam of electrons instead of light.
C A semipermeable membrane does not allow both solvent and solute molecules to pass through it.
D Active transport of materials is rapid and usually occurs against the concentration gradient involving carrier proteins and energy in the form of ATP.


We've to find an incorrect statement....The answer given i.e. C is a correct statement.....So it is not the right answer....Please give a correct answer...Thank you

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