Correct Answer: QPRS

Solution : The correct choice is the fourth option .

This paragraph introduces the concept of the Nobel Prize ( sentence Q ), explains its origin ( sentence P ), details the categories, mentioning medicine ( sentence R ), and concludes by providing a recent example related to the medicine category ( sentence S ).

So the most logical order for the sentences to form a coherent paragraph is:

• Q. A Nobel Prize is an award that is given to someone whose work has benefited society.
• P . The award is named after Alfred Nobel, the Swedish inventor of dynamite.
• R . This award is given in six categories, and medicine is one of those categories.
• S . This year, Professors David Julius and Ardem Petapoutian have won this prize for medicine.

Therefore, the most meaningful sequence is QPRS .