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PIMSO 2025 - Science - Senior Secondary - National Round Question 21

PIMSO Science · PIMSO 2025 - Science - Senior Secondary - National Round

Question 21

Which of the following statements is TRUE about active and inactive volcanoes?

Interpretation note: choose the source’s intended simplified classroom contrast, rather than treating it as a complete modern PHIVOLCS classification rule.
  1. Active volcanoes have record of eruption within the last 600 years, while inactive volcanoes have not erupted for the last 10,000 years.
  2. Active volcanoes have not erupted for the last 10,000 years, while inactive volcanoes have record of eruption within the last 600 years.
  3. Active and inactive volcanoes have shown volcanic activity for the past 600 years.
  4. Both have no record of eruption.