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 · OceanographyMedium · 45s
Which of the following are characteristics of El Niño? Warming of sea surface temperatures in the central and eastern Pacific Ocean. Suppression of upwelling off the coast of Peru. Increased fish catch due to nutrient enrichment. Select the correct answer using the codes below:
TopicOceanography
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.
El Niño warms the ocean surface and suppresses upwelling, reducing nutrients and thus lowering fish catch.
Final Answer: Option A — 1 and 2 only