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.
Q · Climate ChangeMedium · 45s
Which of the following is/are greenhouse gases under the Kyoto Protocol? 1. CO₂ 2. Methane 3. Hydrofluorocarbons (HFCs) Select the correct answer:
TopicClimate Change
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Kyoto covers six gases including CO₂, CH₄, N₂O, HFCs, PFCs and SF₆.
Final Answer: Option D — 1, 2 and 3