INTSO EDUCATION
INTSO
GENERAL KNOWLEDGE TALENT SEARCH OLYMPIAD(GTSO) 2019-2020
STAGE - 1
TIME
: 6
Max. Marks : 5
CLASS : IX
Instructions:
Fill the OMR sheet completely and carefully.
Each question carries one mark und has only one correct answer.
The question paper contains 50 questions to be answered in 60 minutes.
Which of the following is not true regarding 'The Pacific Ring of Fire'?
1) Geologists noted the high number of earthquakes and volcanic activity occurring aro
"Pacific Rim
2) About half of the volcanoes in the world lie within the Pacific Ring
3) Plate boundaries are found all the way around the Pacific basin
4) It is along the plate boundaries that many volcanoes and earthquakes occur, giving i
'The Pacific Ring of Fire.
Match the following
Answers
Answer:
the answer will be 2nd because 90 percent of world volcanoes lies here
False statement regarding the Ring of fire is - 2) About half of the volcanoes in the world lie within the Pacific Ring.
•The Ring of fire or Pacific Rim is the area in basin of Pacific Ocean, ranging around 40,000 km.
•It has 452 volcanoes, which constitute about 75% of earth's active and dormant volcanoes.
•The Pacific Rim has the North American plate, the Cocos plate and the Nazca plate.
•Subduction zone is the zone where tectonic plates in ocean move under one another and they sink due to high gravitational pull.
•When tectonic plates sink in subduction zone, they heat and further melt, forming magma.
•This magma is responsible for formation of volcanic mountains.