MCQs on volcanic eruptions based on the periodicity of eruptions – World geography
Q1. Which type of volcano is currently erupting or shows signs of future eruptions?
a. Active
b. Dormant
c. Extinct
d. Periodic
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Correct Answer: a. Active
Explanation: Active volcanoes are those that are currently erupting or show signs of future eruptions, such as the emission of gas or mud.
Q2. Which type of volcano has not erupted in recent history but may erupt again in the future?
a. Active
b. Dormant
c. Extinct
d. Periodic
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Correct Answer: b. Dormant
Explanation: Dormant volcanoes are those that have not erupted in recent history but may erupt again in the future.
Q3. Which type of volcano has permanently stopped its volcanic activity?
a. Active
b. Dormant
c. Extinct
d. Periodic
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Correct Answer: c. Extinct
Explanation: Extinct or dead volcanoes are those that have permanently stopped their volcanic activity.
Q4. Which type of volcano experiences eruptions at irregular intervals?
a. Active
b. Dormant
c. Extinct
d. Periodically active
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Correct Answer: d. Periodically active
Explanation: Periodically active volcanoes have eruptions that occur at irregular intervals.
Q5. Which type of volcano experiences sporadic eruptions with irregular intervals of activity and dormancy?
a. Active
b. Dormant
c. Extinct
d. Intermittently active
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Correct Answer: d. Intermittently active
Explanation: Intermittently active volcanoes experience sporadic eruptions with irregular intervals of activity and dormancy.
Q6. Which type of volcano has a regular frequency of eruptions?
a. Active
b. Dormant
c. Extinct
d. Regularly active
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Correct Answer: d. Regularly active
Explanation: Regularly active volcanoes have a regular frequency of eruptions.
Q7. Which type of volcano has a long period of inactivity followed by a sudden and violent eruption?
a. Active
b. Dormant
c. Extinct
d. Long-dormant
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Correct Answer: b. Dormant
Explanation: Dormant volcanoes may have a long period of inactivity followed by a sudden and violent eruption.
Q8. Which type of volcano is characterized by almost continuous eruptions?
a. Continuously active
b. Dormant
c. Extinct
d. Periodically active
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Correct Answer: a. Continuously active
Explanation: Continuously active volcanoes are characterized by almost continuous eruptions.
Q9. Which type of volcano has eruptions that vary in frequency, such as decades apart?
a. Active
b. Dormant
c. Extinct
d. Periodically active
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Correct Answer: d. Periodically active
Explanation: Periodically active volcanoes have eruptions that vary in frequency, such as decades apart.
Q10. Which type of volcano has eruptions that occur at regular intervals, such as months apart?
a. Active
b. Dormant
c. Extinct
d. Regularly active
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Correct Answer: d. Regularly active
Explanation: Regularly active volcanoes have eruptions that occur at regular intervals, such as months apart.
Q11. Which type of volcano has eruptions that occur at extremely long intervals, such as hundreds of thousands of years apart?
a. Active
b. Dormant
c. Extinct
d. Long-dormant
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Correct Answer: b. Dormant
Explanation: Dormant volcanoes have eruptions that occur at extremely long intervals, such as hundreds of thousands of years apart.
Q12. Which type of volcano is considered active if it has erupted in the last 10,000 years?
a. Active
b. Dormant
c. Extinct
d. Periodic
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Correct Answer: a. Active
Explanation: The Smithsonian Global Volcanism Program defines a volcano as active if it has erupted in the last 10,000 years.
Q13. Which type of volcano is considered potentially active, even if it is not currently erupting?
a. Active
b. Dormant
c. Extinct
d. Periodic
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Correct Answer: b. Dormant
Explanation: Dormant volcanoes are considered potentially active, even if they are not currently erupting.
Q14. Which type of volcano is considered extinct if it has not erupted in the past few million years?
a. Active
b. Dormant
c. Extinct
d. Periodic
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Correct Answer: c. Extinct
Explanation: Extinct volcanoes are considered extinct if they have not erupted in the past few million years.
Q15. Which type of volcano is considered dormant if it has not erupted in the past few thousand years?
a. Active
b. Dormant
c. Extinct
d. Periodic
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Correct Answer: b. Dormant
Explanation: Dormant volcanoes are considered dormant if they have not erupted in the past few thousand years.
Q16. Which type of volcano is considered active if it has erupted in the past few hundred years?
a. Active
b. Dormant
c. Extinct
d. Periodic
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Correct Answer: a. Active
Explanation: Active volcanoes are considered active if they have erupted in the past few hundred years.
Q17. Which type of volcano is considered dormant if it has not erupted in the past few hundred years?
a. Active
b. Dormant
c. Extinct
d. Periodic
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Correct Answer: b. Dormant
Explanation: Dormant volcanoes are considered dormant if they have not erupted in the past few hundred years.
Q18. Which type of volcano is considered extinct if it has not erupted in the past few hundred thousand years?
a. Active
b. Dormant
c. Extinct
d. Periodic
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Correct Answer: c. Extinct
Explanation: Extinct volcanoes are considered extinct if they have not erupted in the past few hundred thousand years.
Q19. Which type of volcano is considered active if it has erupted in the past few decades?
a. Active
b. Dormant
c. Extinct
d. Periodic
Show Answer
Correct Answer: a. Active
Explanation: Active volcanoes are considered active if they have erupted in the past few decades.
Q20. Which type of volcano is considered dormant if it has not erupted in the past few decades?
a. Active
b. Dormant
c. Extinct
d. Periodic
Show Answer
Correct Answer: b. Dormant
Explanation: Dormant volcanoes are considered dormant if they have not erupted in the past few decades.