In the following items, each passage consists of six sentences. The first and sixth sentence are given in the beginning as S 1 and S 6 . The middle four sentences in each have been jumbled up. These are labelled P, Q, R ans S. You are requested to find out the proper sequence of the four sentences and mark according on the Answer Sheet. `S_(1)` : Pasteur began his fruitful scientific investigations when he was Professor of Chemisty at Strasburg.
`S_(6)` : The pasteurization process which he prescribed for wine and beer is used now to safeguard milk too.
P : He also found how germs causing changes in materials could be controlled by heat.
Q : He made a thorough study of the wine industry in France .
R : He thus saved the wine industry from ruin by his work .
S: After careful and extensive investigation he produced the germ theory of fermentation.
The proper sequence should be

Options

A. PQRS
B. QPSR
C. SQPR
D. QSPR