NextMockপরীক্ষা খুঁজুন, যেমন SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2024

UPPCS · প্রশ্ন 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
উত্তর দেখান ও ব্যাখ্যা

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

ব্যাখ্যা

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