Question

Which one of the following is the most effective factor of coral bleaching?

  1. Marine pollution
  2. Increase of salinity of seas
  3. Rise in normal temperature of sea-water
  4. Outbreak of diseases and epidemics

Answer:

Option C: Rise in normal temperature of sea-water

Detailed Solution:

The correct answer is “Rise in normal temperature of sea-water”.

The most effective factor of coral bleaching is increased ocean temperature caused by climate change.