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IMSO 2006 Science – Taiwan Selection First Round Theory Question 12

IMSO Science · IMSO 2006 Science – Taiwan Selection First Round Theory

Question 12

The ozone layer of Earth’s atmosphere helps to filter ultraviolet radiation. As the ozone layer is depleted, more ultraviolet radiation reaches Earth’s surface. This increase in ultraviolet radiation may be harmful because it can directly cause
  1. photosynthesis to stop in all marine organisms
  2. abnormal migration patterns in waterfowl
  3. mutations in the DNA of organisms
  4. sterility in most species of mammals and birds