Directions: In the following question, sentences of a paragraph have been jumbled and labelled as P, Q, R and S. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option.

P. Complex chemical processes transfer the casein on the surface into other compounds.

Q. Cheese is best digested when lightly cooked.

R. It is best kept in the fridge in a ventilated cover.

S. Many kinds of cheese are surface-ripened by the deliberate introduction of bacteria moulds.