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State PCS PYQPrelims 2024

UPPCS · प्रश्न 19

Which of the following reasons caused catastrophic coral bleaching and mass coral deaths in the Andaman and Nicobar Islands?

  1. Increased industrial activities in the coastal regions
  2. Increase of 2 degrees C temperature in the Indian Ocean
  3. Heavy marine pollution
  4. Decrease of temperature by 4 degrees C in the Indian Ocean
उत्तर देखें और व्याख्या

उत्तर: (B) Increase of 2 degrees C temperature in the Indian Ocean

व्याख्या

The 2024 mass bleaching was caused by a marine heatwave that raised sea-surface temperatures about 2 degrees C above normal.