Multiple choice general knowledge

Causes for degradation of Coral Reef :

  1. Blast fishing, coral mining and digging of canals

  2. high levels of chemical nutrients from agricultural areas and sewage outflow

  3. Pollutants such as Petroleum products and Pesticides

  4. Plastic debris like abandoned fish nets, rubber, metals
Reveal answer Fill a bubble to check yourself
A,B,C,D Correct answer
Explanation

All four options are valid causes of coral reef degradation. Coral reefs face multiple anthropogenic threats: (A) physical damage from destructive fishing and mining; (B) eutrophication from agricultural runoff causing algal blooms; (C) chemical pollution from petroleum and pesticides; (D) marine debris including plastic and ghost nets. This comprehensive question tests understanding of coral reef conservation issues.

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