In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices. (a) Assertion and reason btoth are correct and the reason is correct explanation of assertion. (b) Assertion and reason both are correct but reason does not explain assertion. (c) Assertion is correct but reason is incorrect. (d) Both assertion and reason are incorrect. (e) Assertion is incorrect but reason is correct. Assertion : An ordinary filter Paper impregnated with collodion solution stops the flow of colloidal particles. Reason : Pore size of the filter paper becomes more than the size of colloidal Particle.