Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Directions: In the following question, the first and the last parts of the sentence are numbered S₁ and S₆. The rest of the sentence is split into four parts named P, Q, R, and S. These four parts are not given in proper order. Read the sentence carefully and choose the correct order. history of life (P) evolutionary Biology is (Q) forms on earth (R) the study of (S)
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
To identify the correct sequence, first determine the logical starting point (usually the subject). Then follow with supporting clauses, transitions, and concluding phrases. Ensure the order forms a grammatically coherent and meaningful sentence. Connectors like 'because', 'that', or time indicators help in selecting the next part.